11.33% is the change from 618 to 688
Calculation steps:
[( 688 - 618 ) ÷ 618] x 100 = 11.33%
Formula
Percentage change = [(688 - 618) / 618] x 100
Subtract the new number by the original number
688 - 618 = 70
70 ÷ 618 = 0.11326860841423948
0.11326860841423948 x 100 = 11.33%