64.48% is the change from 504 to 829
Calculation steps:
[( 829 - 504 ) ÷ 504] x 100 = 64.48%
Formula
Percentage change = [(829 - 504) / 504] x 100
Subtract the new number by the original number
829 - 504 = 325
325 ÷ 504 = 0.6448412698412699
0.6448412698412699 x 100 = 64.48%