-83.45% is the change from 586 to 97
Calculation steps:
[( 97 - 586 ) ÷ 586] x 100 = -83.45%
Formula
Percentage change = [(97 - 586) / 586] x 100
Subtract the new number by the original number
97 - 586 = -489
-489 ÷ 586 = -0.8344709897610921
-0.8344709897610921 x 100 = -83.45%