How do I calculate a percentage online?

Enter your values in our Percentage Calculator and select the operation type. Results appear instantly with no button click needed.

How do I calculate percentage increase?

Select Percentage Increase in our tool, enter the original and new values, and get the increase percentage instantly.

Calculate percentages in three different ways ? real-time results, no button required

What is X% of Y?

Percentage (X)

Number (Y)

X is what % of Y?

Value (X)

Total (Y)

Percentage change from X to Y

From Value (X)

To Value (Y)

X% of Y = (X ? 100) ? Y

X is what % of Y = (X ? Y) ? 100

% Change from X to Y = ((Y - X) ? X) ? 100