-74.49% is the change from 686 to 175
Calculation steps:
[( 175 - 686 ) ÷ 686] x 100 = -74.49%
Formula
Percentage change = [(175 - 686) / 686] x 100
Subtract the new number by the original number
175 - 686 = -511
-511 ÷ 686 = -0.7448979591836735
-0.7448979591836735 x 100 = -74.49%