-89.57% is the change from 930 to 97
Calculation steps:
[( 97 - 930 ) ÷ 930] x 100 = -89.57%
Formula
Percentage change = [(97 - 930) / 930] x 100
Subtract the new number by the original number
97 - 930 = -833
-833 ÷ 930 = -0.8956989247311828
-0.8956989247311828 x 100 = -89.57%