23.11% is the change from 502 to 618
Calculation steps:
[( 618 - 502 ) ÷ 502] x 100 = 23.11%
Formula
Percentage change = [(618 - 502) / 502] x 100
Subtract the new number by the original number
618 - 502 = 116
116 ÷ 502 = 0.23107569721115537
0.23107569721115537 x 100 = 23.11%