80.16% is the change from 504 to 908
Calculation steps:
[( 908 - 504 ) ÷ 504] x 100 = 80.16%
Formula
Percentage change = [(908 - 504) / 504] x 100
Subtract the new number by the original number
908 - 504 = 404
404 ÷ 504 = 0.8015873015873016
0.8015873015873016 x 100 = 80.16%