Percent difference vs percent change?

Percent difference is symmetric: 2|a−b|/(a+b). Percent change uses (new−old)/old and is not symmetric.

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Online Percent Difference Calculator

Calculate percent difference between two values: 2|a − b| / (a + b) × 100. Symmetric comparison.

Value 1

Value 2

Percent difference vs percent change?: Percent difference is symmetric: 2|a−b|/(a+b). Percent change uses (new−old)/old and is not symmetric.
Is this tool free?: Yes. All tools on QuickFreeTools are free with no signup.

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