Percent Difference
Difference between two values as a percentage.
Read the maths behind this tool: Percentage Increase and Decrease: The Formula That Trips Everyone
How it works
Difference between two values as a percentage. The result updates as you type and nothing leaves your browser.
Is it free?
Yes — no account and no ads.
How precise is it?
Standard factors and formulas; results are rounded to two decimals.
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