Percentage Change Calculator - Calculate Currency & Price Changes

Calculate percentage change in currency values, investment gains, and price differences. Free percentage change calculator.

Percentage Change Calculator

Formula:

Percentage Change = ((New Value - Original Value) / Original Value) × 100

Change Analysis

Enter values to calculate percentage change

About Percentage Change Calculator

The percentage change calculator helps you determine the relative change between two values, expressed as a percentage. This is essential for analyzing investment returns, price changes, currency fluctuations, and business performance metrics.

Common Applications

  • Investment Analysis: Calculate stock price changes, portfolio returns
  • Currency Trading: Analyze exchange rate fluctuations
  • Business Metrics: Track sales growth, revenue changes
  • Real Estate: Property value appreciation or depreciation
  • Economic Analysis: Inflation rates, GDP growth
  • Personal Finance: Salary increases, expense changes

Understanding the Results

  • Positive Percentage: Indicates an increase from the original value
  • Negative Percentage: Indicates a decrease from the original value
  • Zero Percentage: No change between the values
  • Absolute Change: The actual difference in currency units

Calculation Examples

Example 1: Stock Price Increase

Original Price: $100, New Price: $120

Percentage Change = ((120 - 100) / 100) × 100 = 20% increase

Example 2: Currency Depreciation

Original Rate: £1.30, New Rate: £1.20

Percentage Change = ((1.20 - 1.30) / 1.30) × 100 = -7.69% decrease

Tips for Analysis

  • Consider the time period over which the change occurred
  • Compare percentage changes to relevant benchmarks or averages
  • Look at both absolute and percentage changes for complete picture
  • Consider external factors that may have influenced the change
  • Use multiple data points to identify trends