-27.27% is the change from 858 to 624
Calculation steps:
[( 624 - 858 ) ÷ 858] x 100 = -27.27%
Formula
Percentage change = [(624 - 858) / 858] x 100
Subtract the new number by the original number
624 - 858 = -234
-234 ÷ 858 = -0.2727272727272727
-0.2727272727272727 x 100 = -27.27%