84.27% is the change from 89 to 164
Calculation steps:
[( 164 - 89 ) ÷ 89] x 100 = 84.27%
Formula
Percentage change = [(164 - 89) / 89] x 100
Subtract the new number by the original number
164 - 89 = 75
75 ÷ 89 = 0.8426966292134831
0.8426966292134831 x 100 = 84.27%