Math calculator
Percentage Change Calculator
Calculate percent increase or decrease between two values.
Math calculator
Percentage Change Calculator
Instant result
Result
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Enter values to calculate.
How to use
Follow these steps for a clear answer.
Enter the known values
Fill in the fields for your calculation.
Choose a mode if available
Use the tabs when multiple directions are offered.
Read the result
The result updates as you type.
Frequently asked questions
Key distinctions behind the calculation.
How does the Percentage Change calculation work?
It uses the formula 100 × (new − old) / old.