65.67% is the change from 504 to 835
Calculation steps:
[( 835 - 504 ) ÷ 504] x 100 = 65.67%
Formula
Percentage change = [(835 - 504) / 504] x 100
Subtract the new number by the original number
835 - 504 = 331
331 ÷ 504 = 0.6567460317460317
0.6567460317460317 x 100 = 65.67%