-90.3% is the change from 804 to 78
Calculation steps:
[( 78 - 804 ) ÷ 804] x 100 = -90.3%
Formula
Percentage change = [(78 - 804) / 804] x 100
Subtract the new number by the original number
78 - 804 = -726
-726 ÷ 804 = -0.9029850746268657
-0.9029850746268657 x 100 = -90.3%