Overview
A percentage increase expresses growth relative to the original value. If a price of 200 increases by 15%, the increase is 30 and the new price is 230. Enter the value and percentage to get the result instantly.
Formula
New value = original value × (1 + percentage ÷ 100).
How it works
Enter the original value
The value before the increase.
Enter the increase percentage
A positive percentage representing the growth.
Read the result
The new value, increase amount and multiplier appear.
Worked examples
Example 1: 200 + 15%
The increase is 30, and the new value is 230.
Example 2: 80 + 25%
The increase is 20, and the new value is 100.
Frequently asked questions
Is the increase calculated from the original or new value?
From the original value, then added to it.
What if the percentage is 100%?
The original value doubles, because the increase equals the value itself.
Can I use a negative percentage?
This calculator is for increases only. Use the percentage decrease calculator for negative changes.
This calculator is for educational and informational purposes only and is not a substitute for professional advice.