30.48% is the change from 502 to 655
Calculation steps:
[( 655 - 502 ) ÷ 502] x 100 = 30.48%
Formula
Percentage change = [(655 - 502) / 502] x 100
Subtract the new number by the original number
655 - 502 = 153
153 ÷ 502 = 0.3047808764940239
0.3047808764940239 x 100 = 30.48%