Percentage Calculator
Three percentage calculators in one. Find a percentage of a number, calculate percentage increase or decrease between two values, or determine what percentage one number is of another.
Percentage Of
What is X% of Y?
% of=
30
Percentage Change
What is the percentage increase or decrease from X to Y?
to=
+25.00%
What Percent?
X is what percentage of Y?
is what % of=
12.50%
How to Use
This page includes three separate percentage calculations. Use "Percentage Of" to find a specific percentage of any number (e.g., what is 15% of 200?). Use "Percentage Change" to find the increase or decrease between an old and new value. Use "What Percent?" to determine what percentage one number is of another.
Formulas
Percentage of: Result = Number × (Percent / 100)
Percentage change: ((New - Old) / Old) × 100
What percent: (Part / Whole) × 100