Calculators Percent Difference Calculator

Percent Difference Calculator

Calculate percent difference, percent change, increase and decrease between two values instantly

Calculation Type

Choose what to calculate

Enter Values

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First Value (V₁)

Second Value (V₂)

Formula

Percent Difference = |V₂ - V₁| / ((V₁ + V₂) / 2) × 100%

Quick Examples

Result

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Calculation Steps

Steps will appear here after calculation

Additional Info

Absolute Difference -

Direction -

Ratio -

Quick Tips

• Positive = Increase
• Negative = Decrease
• Use for comparisons

Formula Comparison

Understanding different percentage calculations

Percent Difference vs Change

Percent Difference

Formula: |V₂ - V₁| / ((V₁ + V₂) / 2) × 100%

Use when: Comparing two values without a clear "before" and "after"

Percent Change

Formula: (V₂ - V₁) / V₁ × 100%

Use when: Measuring change from original value

Common Examples

$50 → $75 +50% change

$100 → $80 -20% change

100 vs 200 66.7% diff

50 vs 150 100% diff

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