Percentage increase calculator
Find the new value after adding a percentage to an original number.
Percentage increase calculator
Example: increase 200 by 15%
Enter values to see the result
What is a percentage increase?
A percentage increase tells you how much a value grows when you add a given percentage to it. It is the calculation behind salary raises, price markups, VAT additions, and compound growth steps.
Formula
New value = Original × (1 + Percentage ÷ 100)
Examples
Salary raise
€32,000 raised by 8%
€34,560
Price markup
$120 cost price, 40% markup
$168
VAT addition
£85 net + 20% VAT
£102
Investment growth
$5,000 portfolio up 12%
$5,600
Frequently asked questions
How is this different from percentage change?
Percentage increase gives you the new number after a known upward movement. Percentage change measures the direction and magnitude between two values you already have.
Can I use this for VAT?
Yes. Enter the net price as the original and the tax rate as the percentage. The result is the gross price.
How do I reverse a percentage increase?
Divide the increased value by (1 + p/100). £102 with 20% VAT → net is £85.
Does 50% increase then 50% decrease return to the original?
No. 50% increase on 100 → 150. 50% decrease on 150 → 75. Percentage changes are multiplicative.
What does a 100% increase mean?
It doubles the original value. A 200% increase triples it.