-88.63% is the change from 853 to 97
Calculation steps:
[( 97 - 853 ) ÷ 853] x 100 = -88.63%
Formula
Percentage change = [(97 - 853) / 853] x 100
Subtract the new number by the original number
97 - 853 = -756
-756 ÷ 853 = -0.8862837045720985
-0.8862837045720985 x 100 = -88.63%