Percentage Calculator
Calculate percentage of a number, percentage ratio, and percentage change.
What this tool does: This calculator lets you instantly solve the three most common percentage problems: finding X% of Y, finding what percentage X is of Y, and calculating the percentage increase or decrease between two numbers.
What is X % of Y?
% of
X is what percentage of Y?
is what % of
Percentage change from X to Y
From
to
Frequently Asked Questions
How do you calculate the percentage of a number?
To find the percentage of a number, multiply the number by the percentage fraction. For example, to find 20% of 50, multiply 50 by 0.20 to get 10.
How do you calculate percentage change?
To find the percentage change, subtract the old value from the new value, then divide by the old value, and multiply by 100. Formula: ((New - Old) / Old) * 100.