-37.06% is the change from 804 to 506
Calculation steps:
[( 506 - 804 ) ÷ 804] x 100 = -37.06%
Formula
Percentage change = [(506 - 804) / 804] x 100
Subtract the new number by the original number
506 - 804 = -298
-298 ÷ 804 = -0.3706467661691542
-0.3706467661691542 x 100 = -37.06%