Percentage Change Calculator
Compare two values and calculate the percentage change between them.
What this tool helps with
Find the percentage increase or decrease between two values.
Enter your values, review the result and use the guide block below for a clearer explanation, example and related tools.
How percentage change is calculated
Percentage change compares the difference between an original value and a new value, then expresses that change as a percentage of the original. It is useful for prices, scores, traffic and progress checks.
Example use case
If a value rises from 50 to 65, the increase is 15 and percentage change is 30%.
Frequently asked questions
Yes. A fall from the original value produces a negative change.
Percentage change cannot be calculated in the usual way from zero.
It is useful for finance, ecommerce, schoolwork and everyday comparisons.
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