-74.26% is the change from 680 to 175
Calculation steps:
[( 175 - 680 ) ÷ 680] x 100 = -74.26%
Formula
Percentage change = [(175 - 680) / 680] x 100
Subtract the new number by the original number
175 - 680 = -505
-505 ÷ 680 = -0.7426470588235294
-0.7426470588235294 x 100 = -74.26%