72.22% is the change from 90 to 155
Calculation steps:
[( 155 - 90 ) ÷ 90] x 100 = 72.22%
Formula
Percentage change = [(155 - 90) / 90] x 100
Subtract the new number by the original number
155 - 90 = 65
65 ÷ 90 = 0.7222222222222222
0.7222222222222222 x 100 = 72.22%