82.22% is the change from 90 to 164
Calculation steps:
[( 164 - 90 ) ÷ 90] x 100 = 82.22%
Formula
Percentage change = [(164 - 90) / 90] x 100
Subtract the new number by the original number
164 - 90 = 74
74 ÷ 90 = 0.8222222222222222
0.8222222222222222 x 100 = 82.22%