Reporting
Percentage Change Calculator
Calculate percentage changes between two values quickly.
How it works
Percentage change is calculated as: ((New - Old) / |Old|) × 100. Positive values show growth, negative values show decline.
How to Use
- 1 Enter your original (old) value in the first field
- 2 Enter your new value in the second field
- 3 See the percentage change instantly, colour-coded for increase (green) or decrease (red)
- 4 Enable batch mode to calculate multiple comparisons at once
Common Use Cases
- • Calculating traffic changes month-over-month or year-over-year
- • Measuring conversion rate improvements after A/B tests
- • Tracking ranking position changes
- • Reporting on revenue or sales changes
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