Math
Percent Change Calculator
Percentage increase or decrease between two numbers.
Inputs
Percent Change Calculator
Result
Increase
25.00%
- Absolute
- 30
Increase, decrease, and direction
Percent change = (new − old) / old × 100. Positive means growth, negative means decline. Order matters — a 50% drop followed by a 50% rise doesn't return you to the start.
Related calculators
For plain percentage-of and percentage-as questions use the Percentage Calculator; for compounding annualized change use the Investment Return Calculator.
Related calculators
Math
Percentage Calculator
What is X% of Y, X is what % of Y, and percentage change — all in one place.
Math
Fraction Calculator
Add, subtract, multiply, or divide two fractions and simplify the result.
Math
Ratio Calculator
Simplify a ratio or solve A:B = C:? for a missing term.
Math
Proportion Calculator
Solve A/B = C/D for the missing value.