Percentage Increase Calculator

Calculate percentage increase, percentage decrease, or no change between an original value and a new value.

Calculate percentage increase instantly

Compare an original value and a new value to calculate percentage increase, percentage decrease, or no change.

Measure percentage growth or decline between two values

Use this calculator to compare an original value with a new value when checking price changes, sales growth, traffic shifts, conversion changes, or any before-and-after percentage difference.

Enter an original value and a new value to calculate the percentage change instantly.

Percentage change result

Review the percentage increase or decrease first, then compare the original value, new value, and change amount.

Ready

Enter two values to calculate percentage change.

The main increase or decrease result will appear here as soon as both values are valid.

This calculator compares the new value against the original value and shows the percentage difference automatically.

How to use the percentage increase calculator

  1. Enter the original value.
  2. Enter the new value you want to compare against the original amount.
  3. Review the main result to see whether the change is an increase, a decrease, or no change.
  4. Use the supporting values to compare the original value, new value, and change amount.
  5. Use Example to load a sample comparison or Clear to reset the tool.

Percentage increase calculator examples

  • What is the percentage increase from 80 to 96?

  • What is the percentage decrease from 200 to 150?

  • What is the percentage change from 120 to 180?

What this percentage increase calculator covers

This tool compares an original value with a new value and shows the percentage change between them. It can return percentage increase, percentage decrease, or no change without making you work through the formula manually.

When percentage increase is useful

A percentage increase calculator is useful for price tracking, sales reporting, budget changes, analytics, salary comparisons, and growth summaries. It also helps when you need to check a percentage decrease between two numbers from the same starting point.

Percentage increase calculator FAQs

Can this tool show percentage decrease too?

Yes. If the new value is lower than the original value, the result switches from percentage increase to percentage decrease automatically.

What happens if both values are the same?

If the original value and new value are the same, the tool shows no change and the percentage change is 0%.

Why can't the original value be 0?

Percentage change depends on the original value as the base. If the original value is 0, the calculation would not be valid.

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