-37.19% is the change from 804 to 505
Calculation steps:
[( 505 - 804 ) ÷ 804] x 100 = -37.19%
Formula
Percentage change = [(505 - 804) / 804] x 100
Subtract the new number by the original number
505 - 804 = -299
-299 ÷ 804 = -0.3718905472636816
-0.3718905472636816 x 100 = -37.19%