48.06% is the change from 618 to 915
Calculation steps:
[( 915 - 618 ) ÷ 618] x 100 = 48.06%
Formula
Percentage change = [(915 - 618) / 618] x 100
Subtract the new number by the original number
915 - 618 = 297
297 ÷ 618 = 0.48058252427184467
0.48058252427184467 x 100 = 48.06%