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Percentage Calculator
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X% of Y
X is what % of Y?
% Change
Add %
Subtract %
Tip Calculator
What is X% of Y?
% of
=
30
15 × 200 ÷ 100 = 30
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X is what percent of Y?
is what % of
=
15
%
30 ÷ 200 × 100 = 15%
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Percentage Change (from → to)
From
to
=
+25
%
(100 − 80) ÷ 80 × 100 = +25%
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Add Percentage (e.g. price + tax)
+
%
=
120
100 × (1 + 20÷100) = 120
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Subtract Percentage (e.g. price − discount)
−
%
=
80
100 × (1 − 20÷100) = 80
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Tip Calculator
Bill
Tip %
Split
people
TIP
15.30
TOTAL
100.30
PER PERSON
100.30