Percentage Difference Calculator — Compare two values

Percentage Difference Calculator

Calculate the percentage difference between two numbers quickly and accurately. Ideal for comparing prices, statistics, measurements, and more.

Step 1: Enter Numbers

What is percentage difference?

Percentage difference measures how much two numbers differ relative to their average. It’s symmetric and always positive. Formula: |V₁ – V₂| / ((V₁ + V₂)/2) × 100%.

Step 2: Settings

About settings

Adjust decimal places for precision. Additional metrics help you interpret the difference.

Percentage Difference Results

Summary
Examples
Sensitivity

Percentage Difference

28.57%
|150 – 200| / 175 = 0.2857

Common Percentage Difference Examples

Value A Value B Percentage Difference Absolute Diff Average

How % Difference changes when Value 2 varies

Interpretation

The curve shows percentage difference as Value 2 moves from 50% to 150% of Value 1. The minimum (0%) occurs when they are equal.

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