-89.81% is the change from 108 to 11
Calculation steps:
[( 11 - 108 ) ÷ 108] x 100 = -89.81%
Formula
Percentage change = [(11 - 108) / 108] x 100
Subtract the new number by the original number
11 - 108 = -97
-97 ÷ 108 = -0.8981481481481481
-0.8981481481481481 x 100 = -89.81%