47.09% is the change from 618 to 909
Calculation steps:
[( 909 - 618 ) ÷ 618] x 100 = 47.09%
Formula
Percentage change = [(909 - 618) / 618] x 100
Subtract the new number by the original number
909 - 618 = 291
291 ÷ 618 = 0.470873786407767
0.470873786407767 x 100 = 47.09%