-90.32% is the change from 888 to 86
Calculation steps:
[( 86 - 888 ) ÷ 888] x 100 = -90.32%
Formula
Percentage change = [(86 - 888) / 888] x 100
Subtract the new number by the original number
86 - 888 = -802
-802 ÷ 888 = -0.9031531531531531
-0.9031531531531531 x 100 = -90.32%