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Percentage Change Calculator to Calculate Percent Increase or Decrease

Calculator Preferences
Percentage Change Calculator Sign
Percentage Change Calculator

This calculator will calculate the numerical difference, percent difference, fractional change, and percent change between one number and another number. Results include a dynamic tutorial and a bar chart. The Learn tab includes:

  • How to calculate percent change.
  • Percent change formula.
  • Increase example.
  • Decrease example.
Learn More

Selected Data Record:

A Data Record is a set of calculator entries that are stored in your web browser's Local Storage. If a Data Record is currently selected in the "Data" tab, this line will list the name you gave to that data record. If no data record is selected, or you have no entries stored for this calculator, the line will display "None".

DataData recordData recordSelected data record: None
Round to:Decimal places:Decimal places to round to:Number of decimal places to round result to:

Number of decimal places to round result to:

Select how many decimal places you would like the percentage change result rounded to. Note that the calculator will always give the raw result in the field provided, and then use the rounded version for the result explanation and the pie chart.

Begin #:Beginning #:Beginning number:Beginning number:

Beginning number:

Enter the beginning or past number, without non-numerical characters (commas, dollar signs, percent signs, etc.).

End #:Ending #:Ending number:Ending number:

Ending number:

Enter the ending or current number, without non-numerical characters (commas, dollar signs, percent signs, etc.).

# difference:Numerical diff:Numerical difference:Numerical difference:

Numerical difference:

This is the absolute value of the difference between the beginning number and the ending number.

% difference:Percent diff:Percentage difference:Percentage difference:

Percentage difference:

This is the percentage difference between the two entered numbers (not the same as percentage change).

Frac chg:Fractional chg:Fractional change:Fractional change:

Fractional change:

This is difference of the beginning and ending numbers, over the beginning number.

% change:Percent change:Percent change:Percent change:

Percent change:

This is the rounded version of the result derived from calculating percent change.

If you would like to save the current entries to the secure database, tap or click on the Data tab, select "New Data Record", give the data record a name, then tap or click the Save button. To save changes to previously saved entries, simply tap the Save button. Please select and "Clear" any data records you no longer need.

Feedback AppreciatedFeedback Greatly AppreciatedYour Feedback Would Be Greatly AppreciatedYour Feedback Is Greatly Appreciated
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Tip

Help and Tools

Help and Tools:

This section, which you can Unstick or Hide in the Calculator Preferences (just above the top of the calculator), contains the following tabs (content too long to fit within bordered frame can be scrolled up and down):

About: Click this tab for an introduction to the calculator.

Instructions: Click this tab for step-by-step instructions for using the calculator.

Terms: Click this tab for a list of the descriptions that are located within each popup help button (info icons).

PCalc: Click this tab for a handy "pocket" calculator you can use when you need to calculate an entry needed for the calculator.

Data: Click this tab to save a set of entries or a note in between visits. Entries and notes will be stored to your web browser's local storage (if supported by your browser of choice), meaning they can only be recalled with the same device and web browser you were using when you saved them. If you'd like to save entries and notes between devices you can do so by subscribing to the Ad-Free Member Version.

 
 
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Adjust Calculator Width:

Move the slider to left and right to adjust the calculator width. Note that the Help and Tools panel will be hidden when the calculator is too wide to fit both on the screen. Moving the slider to the left will bring the instructions and tools panel back into view.

Also note that some calculators will reformat to accommodate the screen size as you make the calculator wider or narrower. If the calculator is narrow, columns of entry rows will be converted to a vertical entry form, whereas a wider calculator will display columns of entry rows, and the entry fields will be smaller in size ... since they will not need to be "thumb friendly".

Show/Hide Popup Keypads:

Select Show or Hide to show or hide the popup keypad icons located next to numeric entry fields. These are generally only needed for mobile devices that don't have decimal points in their numeric keypads. So if you are on a desktop, you may find the calculator to be more user-friendly and less cluttered without them.

Stick/Unstick Tools:

Select Stick or Unstick to stick or unstick the help and tools panel. Selecting "Stick" will keep the panel in view while scrolling the calculator vertically. If you find that annoying, select "Unstick" to keep the panel in a stationary position.

If the tools panel becomes "Unstuck" on its own, try clicking "Unstick" and then "Stick" to re-stick the panel.