75.56% is the change from 90 to 158
Calculation steps:
[( 158 - 90 ) ÷ 90] x 100 = 75.56%
Formula
Percentage change = [(158 - 90) / 90] x 100
Subtract the new number by the original number
158 - 90 = 68
68 ÷ 90 = 0.7555555555555555
0.7555555555555555 x 100 = 75.56%