-30.07% is the change from 858 to 600
Calculation steps:
[( 600 - 858 ) ÷ 858] x 100 = -30.07%
Formula
Percentage change = [(600 - 858) / 858] x 100
Subtract the new number by the original number
600 - 858 = -258
-258 ÷ 858 = -0.3006993006993007
-0.3006993006993007 x 100 = -30.07%