12.79% is the change from 86 to 97
Calculation steps:
[( 97 - 86 ) ÷ 86] x 100 = 12.79%
Formula
Percentage change = [(97 - 86) / 86] x 100
Subtract the new number by the original number
97 - 86 = 11
11 ÷ 86 = 0.12790697674418605
0.12790697674418605 x 100 = 12.79%