Percentage Change Calculator
Calculate the percentage increase or decrease between two values.
Percentage Change
Calculate the percentage increase or decrease
Result
—
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.