-20.28% is the change from 858 to 684
Calculation steps:
[( 684 - 858 ) ÷ 858] x 100 = -20.28%
Formula
Percentage change = [(684 - 858) / 858] x 100
Subtract the new number by the original number
684 - 858 = -174
-174 ÷ 858 = -0.20279720279720279
-0.20279720279720279 x 100 = -20.28%