-73.23% is the change from 818 to 219
Calculation steps:
[( 219 - 818 ) ÷ 818] x 100 = -73.23%
Formula
Percentage change = [(219 - 818) / 818] x 100
Subtract the new number by the original number
219 - 818 = -599
-599 ÷ 818 = -0.7322738386308069
-0.7322738386308069 x 100 = -73.23%