Percentage Change Calculator

Calculate the percentage increase or decrease between two values.

Percentage Change

Calculate the percentage increase or decrease

to

Result

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How to Calculate Percentage Change

Percentage change measures how much a value has increased or decreased relative to its original value.

Formula: ((New Value - Original Value) ÷ |Original Value|) × 100

Examples

  • 80 to 100: ((100-80)÷80) × 100 = 25% increase
  • 100 to 80: ((80-100)÷100) × 100 = 20% decrease
  • 50 to 75: ((75-50)÷50) × 100 = 50% increase

Common Applications

  • Stock price changes
  • Sales growth or decline
  • Population changes
  • Price inflation

Frequently Asked Questions

Subtract the original value from the new value, divide by the original value, and multiply by 100. Formula: ((New - Original) ÷ Original) × 100.

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