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Percentage Increase / Decrease Calculator

Use a browser-based percentage increase and decrease calculator to measure change between two values and understand the direction and size of the difference.

A dedicated percent-change page for quick comparisons. Runs in your browser Free to use
How It Helps

Percentage change is easier to understand when direction is explicit

Percent change is used in pricing, reporting, budgeting, analytics, grades, and performance tracking where the direction of the change matters as much as the size.

This dedicated calculator focuses only on increase and decrease so the result is easier to read and explain than a more general percentage page.

Good to know

Helpful notes

  • Use the original value as the comparison base, not the new one.
  • Check the absolute change too if the percentage looks larger or smaller than expected.
  • Use the general percentage calculator for other percent-of or reverse-percentage tasks.
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FAQ

Common questions

Helpful answers make each tool page more useful for both visitors and search engines.

Does this show both increase and decrease?

Yes. The calculator identifies whether the result is an increase, decrease, or no change.

What values do I enter?

Enter the original value and the new value you want to compare against it.

Is this useful for prices and analytics?

Yes. It is useful for pricing, grade changes, growth tracking, reporting, and many other comparison tasks.

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