-88.28% is the change from 853 to 100
Calculation steps:
[( 100 - 853 ) ÷ 853] x 100 = -88.28%
Formula
Percentage change = [(100 - 853) / 853] x 100
Subtract the new number by the original number
100 - 853 = -753
-753 ÷ 853 = -0.8827667057444314
-0.8827667057444314 x 100 = -88.28%