88.89% is the change from 81 to 153
Calculation steps:
[( 153 - 81 ) ÷ 81] x 100 = 88.89%
Formula
Percentage change = [(153 - 81) / 81] x 100
Subtract the new number by the original number
153 - 81 = 72
72 ÷ 81 = 0.8888888888888888
0.8888888888888888 x 100 = 88.89%