2.75% is the change from 618 to 635
Calculation steps:
[( 635 - 618 ) ÷ 618] x 100 = 2.75%
Formula
Percentage change = [(635 - 618) / 618] x 100
Subtract the new number by the original number
635 - 618 = 17
17 ÷ 618 = 0.02750809061488673
0.02750809061488673 x 100 = 2.75%