6.47% is the change from 618 to 658
Calculation steps:
[( 658 - 618 ) ÷ 618] x 100 = 6.47%
Formula
Percentage change = [(658 - 618) / 618] x 100
Subtract the new number by the original number
658 - 618 = 40
40 ÷ 618 = 0.06472491909385113
0.06472491909385113 x 100 = 6.47%