60.32% is the change from 504 to 808
Calculation steps:
[( 808 - 504 ) ÷ 504] x 100 = 60.32%
Formula
Percentage change = [(808 - 504) / 504] x 100
Subtract the new number by the original number
808 - 504 = 304
304 ÷ 504 = 0.6031746031746031
0.6031746031746031 x 100 = 60.32%