-72.93% is the change from 809 to 219
Calculation steps:
[( 219 - 809 ) ÷ 809] x 100 = -72.93%
Formula
Percentage change = [(219 - 809) / 809] x 100
Subtract the new number by the original number
219 - 809 = -590
-590 ÷ 809 = -0.7292954264524104
-0.7292954264524104 x 100 = -72.93%