-85.59% is the change from 673 to 97
Calculation steps:
[( 97 - 673 ) ÷ 673] x 100 = -85.59%
Formula
Percentage change = [(97 - 673) / 673] x 100
Subtract the new number by the original number
97 - 673 = -576
-576 ÷ 673 = -0.8558692421991084
-0.8558692421991084 x 100 = -85.59%