6.15% is the change from 618 to 656
Calculation steps:
[( 656 - 618 ) ÷ 618] x 100 = 6.15%
Formula
Percentage change = [(656 - 618) / 618] x 100
Subtract the new number by the original number
656 - 618 = 38
38 ÷ 618 = 0.061488673139158574
0.061488673139158574 x 100 = 6.15%