2.43% is the change from 618 to 633
Calculation steps:
[( 633 - 618 ) ÷ 618] x 100 = 2.43%
Formula
Percentage change = [(633 - 618) / 618] x 100
Subtract the new number by the original number
633 - 618 = 15
15 ÷ 618 = 0.024271844660194174
0.024271844660194174 x 100 = 2.43%