-37.55% is the change from 807 to 504
Calculation steps:
[( 504 - 807 ) ÷ 807] x 100 = -37.55%
Formula
Percentage change = [(504 - 807) / 807] x 100
Subtract the new number by the original number
504 - 807 = -303
-303 ÷ 807 = -0.3754646840148699
-0.3754646840148699 x 100 = -37.55%