49.35% is the change from 618 to 923
Calculation steps:
[( 923 - 618 ) ÷ 618] x 100 = 49.35%
Formula
Percentage change = [(923 - 618) / 618] x 100
Subtract the new number by the original number
923 - 618 = 305
305 ÷ 618 = 0.4935275080906149
0.4935275080906149 x 100 = 49.35%