QuantomLab

Percentage Change Calculator

Calculate the percentage increase or decrease between two values.

Percentage Change:

Enter the original value and the new value.

Example

80 → 100 = +25%
200 → 150 = −25%
50 → 50 = 0%

What does this calculator do?

It calculates the percentage change from an original value to a new value. The result shows whether the change is an increase or a decrease.

Why calculate percentage change?

Percentage change is commonly used in finance, statistics, economics, and everyday comparisons to measure growth or decline.

Frequently Asked Questions

What if the original value is zero?

Percentage change cannot be calculated when the original value is zero.

Can the result be negative?

Yes. A negative result indicates a percentage decrease.

Is the result rounded?

Yes. Results are rounded to two decimal places for clarity.