72.51% is the change from 502 to 866
Calculation steps:
[( 866 - 502 ) ÷ 502] x 100 = 72.51%
Formula
Percentage change = [(866 - 502) / 502] x 100
Subtract the new number by the original number
866 - 502 = 364
364 ÷ 502 = 0.7250996015936255
0.7250996015936255 x 100 = 72.51%