990.91% is the change from 11 to 120
Calculation steps:
[( 120 - 11 ) ÷ 11] x 100 = 990.91%
Formula
Percentage change = [(120 - 11) / 11] x 100
Subtract the new number by the original number
120 - 11 = 109
109 ÷ 11 = 9.909090909090908
9.909090909090908 x 100 = 990.91%