-30.3% is the change from 858 to 598
Calculation steps:
[( 598 - 858 ) ÷ 858] x 100 = -30.3%
Formula
Percentage change = [(598 - 858) / 858] x 100
Subtract the new number by the original number
598 - 858 = -260
-260 ÷ 858 = -0.30303030303030304
-0.30303030303030304 x 100 = -30.3%