150% is the change from 88 to 220
Calculation steps:
[( 220 - 88 ) ÷ 88] x 100 = 150%
Formula
Percentage change = [(220 - 88) / 88] x 100
Subtract the new number by the original number
220 - 88 = 132
132 ÷ 88 = 1.5
1.5 x 100 = 150%
Example