71.23% is the change from 504 to 863
Calculation steps:
[( 863 - 504 ) ÷ 504] x 100 = 71.23%
Formula
Percentage change = [(863 - 504) / 504] x 100
Subtract the new number by the original number
863 - 504 = 359
359 ÷ 504 = 0.7123015873015873
0.7123015873015873 x 100 = 71.23%