-38.83% is the change from 618 to 378
Calculation steps:
[( 378 - 618 ) ÷ 618] x 100 = -38.83%
Formula
Percentage change = [(378 - 618) / 618] x 100
Subtract the new number by the original number
378 - 618 = -240
-240 ÷ 618 = -0.3883495145631068
-0.3883495145631068 x 100 = -38.83%