106.59% is the change from 91 to 188
Calculation steps:
[( 188 - 91 ) ÷ 91] x 100 = 106.59%
Formula
Percentage change = [(188 - 91) / 91] x 100
Subtract the new number by the original number
188 - 91 = 97
97 ÷ 91 = 1.065934065934066
1.065934065934066 x 100 = 106.59%