-2.19% is the change from 822 to 804
Calculation steps:
[( 804 - 822 ) ÷ 822] x 100 = -2.19%
Formula
Percentage change = [(804 - 822) / 822] x 100
Subtract the new number by the original number
804 - 822 = -18
-18 ÷ 822 = -0.021897810218978103
-0.021897810218978103 x 100 = -2.19%