Percentages, solved instantly

Pick what you're trying to work out below — the fields and the answer update to match, with the working shown underneath.

What is X% of Y?

Please enter valid numbers in both fields.

X (percent)

% of

Y (number)

0%of Y

X is what percent of Y?

Please enter valid numbers — Y can't be zero.

X (part)

is % of

Y (whole)

0%of Y

Percent change from X to Y

Please enter valid numbers — the starting value can't be zero.

From (X)

→

To (Y)

0%change

X is P% of what number?

Please enter valid numbers — P can't be zero.

X (part)

P (percent)

% of

the original number

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