65.87% is the change from 504 to 836
Calculation steps:
[( 836 - 504 ) ÷ 504] x 100 = 65.87%
Formula
Percentage change = [(836 - 504) / 504] x 100
Subtract the new number by the original number
836 - 504 = 332
332 ÷ 504 = 0.6587301587301587
0.6587301587301587 x 100 = 65.87%