-37.24% is the change from 803 to 504
Calculation steps:
[( 504 - 803 ) ÷ 803] x 100 = -37.24%
Formula
Percentage change = [(504 - 803) / 803] x 100
Subtract the new number by the original number
504 - 803 = -299
-299 ÷ 803 = -0.3723536737235367
-0.3723536737235367 x 100 = -37.24%