Percentage Change Calculator
Calculate the percent increase or decrease between two numbers.
Positive = increase, negative = decrease. Also shows the absolute difference.
How to use the Percentage Change tool
- Enter your percentage change in the fields above.
- Adjust any slider or type an exact number — the answer updates as you go.
- Copy the result and close the tab. Nothing you entered was sent anywhere.
About the Percentage Change tool
Enter a starting value and an ending value. The calculator shows the percentage change and the absolute difference.
Common for tracking price changes, growth rates, salary adjustments, and performance metrics. A move from 80 to 100 is a 25% increase.
Everything runs locally in your browser: no data is uploaded, no account is needed, and it works offline once the page has loaded.
Embed this tool
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