-88.83% is the change from 886 to 99
Calculation steps:
[( 99 - 886 ) ÷ 886] x 100 = -88.83%
Formula
Percentage change = [(99 - 886) / 886] x 100
Subtract the new number by the original number
99 - 886 = -787
-787 ÷ 886 = -0.8882618510158014
-0.8882618510158014 x 100 = -88.83%