1108.54% is the change from 82 to 991
Calculation steps:
[( 991 - 82 ) ÷ 82] x 100 = 1108.54%
Formula
Percentage change = [(991 - 82) / 82] x 100
Subtract the new number by the original number
991 - 82 = 909
909 ÷ 82 = 11.085365853658537
11.085365853658537 x 100 = 1108.54%