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Percentage Difference Calculator

Compare two values using percentage difference (based on their average).

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What This Calculator Does

This percentage difference calculator compares two numbers by measuring the difference between them relative to their average.

Unlike percentage change, this calculation does not assume one value is the “original.” It’s commonly used when comparing values side by side.

When Would You Use This Calculator?

  • Comparing two measurements or values with no clear starting point
  • Analyzing differences in scientific or statistical data
  • Comparing prices, metrics, or performance values
  • Understanding how far apart two numbers are in percentage terms
  • Avoiding bias when neither value is the baseline

Common Questions This Calculator Can Answer

  • What is the percentage difference between 50 and 75?
  • How do I calculate percentage difference?
  • What is the difference between percent change and percent difference?
  • How far apart are two numbers in percentage terms?
  • What formula is used for percentage difference?

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