How is percentage difference calculated?
The calculator uses the absolute difference divided by the average of both values, then multiplies by 100.
Calculators
Percentage Difference Calculator
Compare two values to see the percentage difference and the absolute gap between them.
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Compare two values by percentage difference.
When to use this tool
Use it when you need to compare two values without using a spreadsheet or leaving the browser.
- Check the gap between two measurements before sharing the numbers.
- Compare two prices, scores or counts with a clear percentage difference.
- Copy the result into notes, bug reports or planning docs.
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FAQ
Questions
Questions
Can negative values be compared?
Yes. Negative values are supported as long as the two values are not both zero.
What happens if both values are zero?
That comparison is undefined, so the calculator asks for at least one non-zero value.