63.49% is the change from 504 to 824
Calculation steps:
[( 824 - 504 ) ÷ 504] x 100 = 63.49%
Formula
Percentage change = [(824 - 504) / 504] x 100
Subtract the new number by the original number
824 - 504 = 320
320 ÷ 504 = 0.6349206349206349
0.6349206349206349 x 100 = 63.49%