What is% of?
0
is what percent of?
0 %
What is the percentage increase/decrease fromto?
0 %
increased by%
0
decreased by%
0
Original value before% increase =
0
Percentage Formulas
Basic Percentage
X% of Y: (X/100) × Y
X is what % of Y: (X/Y) × 100
Percentage Change
% Increase: ((New - Old)/Old) × 100
% Decrease: ((Old - New)/Old) × 100
Percentage Points
X increased by Y%: X + (X × Y/100)
X decreased by Y%: X - (X × Y/100)
Reverse Calculation
Original before Y% increase: X/(1 + Y/100)
Original before Y% decrease: X/(1 - Y/100)