-89.86% is the change from 957 to 97
Calculation steps:
[( 97 - 957 ) ÷ 957] x 100 = -89.86%
Formula
Percentage change = [(97 - 957) / 957] x 100
Subtract the new number by the original number
97 - 957 = -860
-860 ÷ 957 = -0.8986415882967607
-0.8986415882967607 x 100 = -89.86%