53.59% is the change from 502 to 771
Calculation steps:
[( 771 - 502 ) ÷ 502] x 100 = 53.59%
Formula
Percentage change = [(771 - 502) / 502] x 100
Subtract the new number by the original number
771 - 502 = 269
269 ÷ 502 = 0.5358565737051793
0.5358565737051793 x 100 = 53.59%