60.52% is the change from 504 to 809
Calculation steps:
[( 809 - 504 ) ÷ 504] x 100 = 60.52%
Formula
Percentage change = [(809 - 504) / 504] x 100
Subtract the new number by the original number
809 - 504 = 305
305 ÷ 504 = 0.6051587301587301
0.6051587301587301 x 100 = 60.52%