4.69% is the change from 618 to 647
Calculation steps:
[( 647 - 618 ) ÷ 618] x 100 = 4.69%
Formula
Percentage change = [(647 - 618) / 618] x 100
Subtract the new number by the original number
647 - 618 = 29
29 ÷ 618 = 0.04692556634304207
0.04692556634304207 x 100 = 4.69%