Tools/Calculators/Percentage Change Calculator
All tools

Percentage Change Calculator

Calculate the percentage increase or decrease from an original value to a new value.

Percentage Change Calculator
Calculation result
Waiting for input

Input and result notes

Change is calculated as new minus initial, divided by the absolute initial value. A zero baseline is undefined; note the absolute-value convention for negative baselines.

Calculators
  • Ratio Simplifier

    Reduce the ratio of two integers to its simplest form by dividing both sides by their greatest common divisor.

  • Discount Calculator

    Calculate a discounted price, the amount saved, and the effective discount percentage.

  • Fraction Simplifier

    Reduce an integer fraction and display its decimal value and mixed-number representation.

  • Compound Interest Calculator

    Estimate a future balance from principal, fixed interest rate, duration, and compounding frequency.