-90.83% is the change from 120 to 11
Calculation steps:
[( 11 - 120 ) ÷ 120] x 100 = -90.83%
Formula
Percentage change = [(11 - 120) / 120] x 100
Subtract the new number by the original number
11 - 120 = -109
-109 ÷ 120 = -0.9083333333333333
-0.9083333333333333 x 100 = -90.83%