53.98% is the change from 502 to 773
Calculation steps:
[( 773 - 502 ) ÷ 502] x 100 = 53.98%
Formula
Percentage change = [(773 - 502) / 502] x 100
Subtract the new number by the original number
773 - 502 = 271
271 ÷ 502 = 0.5398406374501992
0.5398406374501992 x 100 = 53.98%