Percentage Change
Calculate the percentage increase or decrease between two values.
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Launchy Percentage Change Calculator quickly computes the percentage increase or decrease between two values. It is useful for analyzing changes in prices, income, expenses, or any numerical comparison.
This tool provides instant, accurate percentage calculations that help you understand the magnitude of changes — whether your rent increased, your salary grew, or your expenses changed.
What Does This Tool Do?
The calculator uses the standard percentage change formula: ((new value - old value) / old value) × 100. It shows both the percentage change and the absolute difference.
Understanding percentage changes is essential for financial literacy. It helps you evaluate whether a change is significant, compare different changes on equal footing, and communicate changes clearly to others.
How to Use It
Step 1
Enter the original (old) value.
Step 2
Enter the new value.
Step 3
Click Calculate to see the percentage change.
Step 4
Review both the percentage and absolute difference.
Step 5
Use the result to evaluate the significance of the change.
Step 6
Compare multiple changes to identify trends or patterns.