50% is the change from 88 to 132
Calculation steps:
[( 132 - 88 ) ÷ 88] x 100 = 50%
Formula
Percentage change = [(132 - 88) / 88] x 100
Subtract the new number by the original number
132 - 88 = 44
44 ÷ 88 = 0.5
0.5 x 100 = 50%
Example