-29.37% is the change from 858 to 606
Calculation steps:
[( 606 - 858 ) ÷ 858] x 100 = -29.37%
Formula
Percentage change = [(606 - 858) / 858] x 100
Subtract the new number by the original number
606 - 858 = -252
-252 ÷ 858 = -0.2937062937062937
-0.2937062937062937 x 100 = -29.37%