52.99% is the change from 502 to 768
Calculation steps:
[( 768 - 502 ) ÷ 502] x 100 = 52.99%
Formula
Percentage change = [(768 - 502) / 502] x 100
Subtract the new number by the original number
768 - 502 = 266
266 ÷ 502 = 0.5298804780876494
0.5298804780876494 x 100 = 52.99%