-37.22% is the change from 618 to 388
Calculation steps:
[( 388 - 618 ) ÷ 618] x 100 = -37.22%
Formula
Percentage change = [(388 - 618) / 618] x 100
Subtract the new number by the original number
388 - 618 = -230
-230 ÷ 618 = -0.37216828478964403
-0.37216828478964403 x 100 = -37.22%