-29.84% is the change from 858 to 602
Calculation steps:
[( 602 - 858 ) ÷ 858] x 100 = -29.84%
Formula
Percentage change = [(602 - 858) / 858] x 100
Subtract the new number by the original number
602 - 858 = -256
-256 ÷ 858 = -0.29836829836829837
-0.29836829836829837 x 100 = -29.84%