-85.74% is the change from 680 to 97
Calculation steps:
[( 97 - 680 ) ÷ 680] x 100 = -85.74%
Formula
Percentage change = [(97 - 680) / 680] x 100
Subtract the new number by the original number
97 - 680 = -583
-583 ÷ 680 = -0.8573529411764705
-0.8573529411764705 x 100 = -85.74%