Percentage Change Calculator
Calculate percentage increase or decrease between two values.
Instant Calculation
Get percentage change as you type, with clear increase/decrease indication.
Absolute Difference
See both the percentage change and the absolute numerical difference.
Bidirectional
Works for both increases and decreases, with positive and negative results.
FAQ
How is percentage change calculated?
Percentage change = ((New Value - Old Value) / |Old Value|) x 100. A positive result means increase, negative means decrease.
What about percentage of a number?
To find X% of a number, multiply the number by X/100. For example, 15% of 200 = 200 x 0.15 = 30.