81.91% is the change from 94 to 171
Calculation steps:
[( 171 - 94 ) ÷ 94] x 100 = 81.91%
Formula
Percentage change = [(171 - 94) / 94] x 100
Subtract the new number by the original number
171 - 94 = 77
77 ÷ 94 = 0.8191489361702128
0.8191489361702128 x 100 = 81.91%