87.25% is the change from 102 to 191
Calculation steps:
[( 191 - 102 ) ÷ 102] x 100 = 87.25%
Formula
Percentage change = [(191 - 102) / 102] x 100
Subtract the new number by the original number
191 - 102 = 89
89 ÷ 102 = 0.8725490196078431
0.8725490196078431 x 100 = 87.25%