-28.67% is the change from 858 to 612
Calculation steps:
[( 612 - 858 ) ÷ 858] x 100 = -28.67%
Formula
Percentage change = [(612 - 858) / 858] x 100
Subtract the new number by the original number
612 - 858 = -246
-246 ÷ 858 = -0.2867132867132867
-0.2867132867132867 x 100 = -28.67%