38.26% is the change from 447 to 618
Calculation steps:
[( 618 - 447 ) ÷ 447] x 100 = 38.26%
Formula
Percentage change = [(618 - 447) / 447] x 100
Subtract the new number by the original number
618 - 447 = 171
171 ÷ 447 = 0.3825503355704698
0.3825503355704698 x 100 = 38.26%