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Instant result
The result is updated directly from the data entered.
Online Calculator
Percentage difference calculator
Compare two values symmetrically by their absolute and percentage difference.
Absolute difference
20
Percentage difference
22.22222222%
Information
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Local processing
The calculations are done in your browser without sending the values to a server.
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Free
No registration, subscription, or paid API required.
Frequently asked questions
What is the difference between percentage change and percentage difference?
The percentage change takes an initial value as a reference; the percentage difference uses the average of both values.
What's the formula?
Absolute difference divided by the average of the absolute values, multiplied by 100.
What if both values are zero?
The percentage difference is not defined.
Does it support negative values?
Yes.