-39.86% is the change from 858 to 516
Calculation steps:
[( 516 - 858 ) ÷ 858] x 100 = -39.86%
Formula
Percentage change = [(516 - 858) / 858] x 100
Subtract the new number by the original number
516 - 858 = -342
-342 ÷ 858 = -0.3986013986013986
-0.3986013986013986 x 100 = -39.86%