-88.69% is the change from 858 to 97
Calculation steps:
[( 97 - 858 ) ÷ 858] x 100 = -88.69%
Formula
Percentage change = [(97 - 858) / 858] x 100
Subtract the new number by the original number
97 - 858 = -761
-761 ÷ 858 = -0.8869463869463869
-0.8869463869463869 x 100 = -88.69%