22.86% is the change from 503 to 618
Calculation steps:
[( 618 - 503 ) ÷ 503] x 100 = 22.86%
Formula
Percentage change = [(618 - 503) / 503] x 100
Subtract the new number by the original number
618 - 503 = 115
115 ÷ 503 = 0.2286282306163022
0.2286282306163022 x 100 = 22.86%