27.51% is the change from 618 to 788
Calculation steps:
[( 788 - 618 ) ÷ 618] x 100 = 27.51%
Formula
Percentage change = [(788 - 618) / 618] x 100
Subtract the new number by the original number
788 - 618 = 170
170 ÷ 618 = 0.2750809061488673
0.2750809061488673 x 100 = 27.51%