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Instant result
The result updates directly based on the values you enter.
Online Calculator
Percentage change
Compare two values and discover the absolute difference and the percentage of increase or decrease.
Difference
20
Percentage change
25%
Exchange rate
Increase
Information
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Local processing
The calculations are done in your browser without sending the data to a server.
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Free
No registration, subscription, or paid API required.
Frequently asked questions
What is the formula of the percentage change?
Subtract the initial value from the final value, divide by the absolute value of the initial value, then multiply by 100.
What if the initial value is zero?
Percentage change is undefined because it would require dividing by zero.
Can it show a decrease?
Yes. A negative result indicates a decrease.
Does it support decimal values?
Yes. You can enter integers or decimals.