-20.4% is the change from 858 to 683
Calculation steps:
[( 683 - 858 ) ÷ 858] x 100 = -20.4%
Formula
Percentage change = [(683 - 858) / 858] x 100
Subtract the new number by the original number
683 - 858 = -175
-175 ÷ 858 = -0.20396270396270397
-0.20396270396270397 x 100 = -20.4%