-37.39% is the change from 805 to 504
Calculation steps:
[( 504 - 805 ) ÷ 805] x 100 = -37.39%
Formula
Percentage change = [(504 - 805) / 805] x 100
Subtract the new number by the original number
504 - 805 = -301
-301 ÷ 805 = -0.3739130434782609
-0.3739130434782609 x 100 = -37.39%