89.53% is the change from 86 to 163
Calculation steps:
[( 163 - 86 ) ÷ 86] x 100 = 89.53%
Formula
Percentage change = [(163 - 86) / 86] x 100
Subtract the new number by the original number
163 - 86 = 77
77 ÷ 86 = 0.8953488372093024
0.8953488372093024 x 100 = 89.53%