Percentage Calculator

Quickly solve common percentage problems like finding the percentage of a value, percentage change, and ratios.

1
What is P% of X?

What is% of?
10

2
X is what % of Y?

is what % of?
12.50%

3
Percentage Increase/Decrease

Percentage change fromto
50.00%

Formula: ((New Value - Old Value) / |Old Value|) × 100