10.98% is the change from 82 to 91
Calculation steps:
[( 91 - 82 ) ÷ 82] x 100 = 10.98%
Formula
Percentage change = [(91 - 82) / 82] x 100
Subtract the new number by the original number
91 - 82 = 9
9 ÷ 82 = 0.10975609756097561
0.10975609756097561 x 100 = 10.98%