30.58% is the change from 618 to 807
Calculation steps:
[( 807 - 618 ) ÷ 618] x 100 = 30.58%
Formula
Percentage change = [(807 - 618) / 618] x 100
Subtract the new number by the original number
807 - 618 = 189
189 ÷ 618 = 0.3058252427184466
0.3058252427184466 x 100 = 30.58%