-74.48% is the change from 858 to 219
Calculation steps:
[( 219 - 858 ) ÷ 858] x 100 = -74.48%
Formula
Percentage change = [(219 - 858) / 858] x 100
Subtract the new number by the original number
219 - 858 = -639
-639 ÷ 858 = -0.7447552447552448
-0.7447552447552448 x 100 = -74.48%