94.51% is the change from 91 to 177
Calculation steps:
[( 177 - 91 ) ÷ 91] x 100 = 94.51%
Formula
Percentage change = [(177 - 91) / 91] x 100
Subtract the new number by the original number
177 - 91 = 86
86 ÷ 91 = 0.945054945054945
0.945054945054945 x 100 = 94.51%