Percentage Increase Decrease Calculator

Use this calculator to calculate percentage increase decrease using a clear formula and simple inputs.

Calculator

Reset

Result

Answer will appear here

Enter the values above and press Calculate to see the answer, step-by-step solution, and formula used.

How the result is calculated

Percent change = ((New − Original) / |Original|) × 100

Explanation

What this calculator does

Percentage Increase Decrease Calculator helps you calculate the result using clear inputs, a formula, and practical examples.

How LearnLinx Calculates This Result

Formula

Percent change = ((New − Original) / |Original|) × 100

Enter your values and press Calculate to see each computation step with your numbers plugged into this formula.

Example

Enter your values, calculate the result, and review the formula used for the answer.

When to use it

Use it when you need a quick result for study, planning, documentation, or checking a manual calculation.

Common mistakes

  • Using zero as the original value.
  • Mixing percent points with percent change.
  • Comparing values that are not in the same units.

Frequently asked questions

How is percent change signed?

The magnitude is shown with increase/decrease wording; the raw signed change is also in the breakdown.

What if the original is zero?

Percent change is undefined; enter a non-zero original value.

What formula does the Percentage Increase Decrease Calculator use?

It uses: Percent change = ((New − Original) / |Original|) × 100. The result page also shows a step-by-step breakdown of how your answer was calculated.

Is the Percentage Increase Decrease Calculator free to use?

Yes. All LearnLinx calculators are completely free with no signup required. Signing in is optional and only adds a 60-day history of your calculations.