-84.38% is the change from 858 to 134
Calculation steps:
[( 134 - 858 ) ÷ 858] x 100 = -84.38%
Formula
Percentage change = [(134 - 858) / 858] x 100
Subtract the new number by the original number
134 - 858 = -724
-724 ÷ 858 = -0.8438228438228438
-0.8438228438228438 x 100 = -84.38%