-72.03% is the change from 858 to 240
Calculation steps:
[( 240 - 858 ) ÷ 858] x 100 = -72.03%
Formula
Percentage change = [(240 - 858) / 858] x 100
Subtract the new number by the original number
240 - 858 = -618
-618 ÷ 858 = -0.7202797202797203
-0.7202797202797203 x 100 = -72.03%