Percentage Calculator
Calculate percentages quickly and easily with multiple calculation modes.
What is X% of Y?
X is what % of Y?
% Increase/Decrease
Percentage Change
What is
% of
Result
-
Formula:
(Percentage ÷ 100) × Number
Example:
What is 25% of 200? = (25 ÷ 100) × 200 = 50
Number
is what % of
Result
-
Formula:
(Number ÷ Total) × 100
Example:
50 is what % of 200? = (50 ÷ 200) × 100 = 25%
Original Value
Percentage
Type
Increase
Decrease
Result
-
Formula:
Increase: Original + (Original × Percentage ÷ 100)
Decrease: Original - (Original × Percentage ÷ 100)
Example:
100 increased by 20% = 100 + (100 × 20 ÷ 100) = 120
Original Value
New Value
Percentage Change
-
Formula:
((New - Original) ÷ Original) × 100
Example:
From 100 to 120: ((120 - 100) ÷ 100) × 100 = +20%