-6.8% is the change from 618 to 576
Calculation steps:
[( 576 - 618 ) ÷ 618] x 100 = -6.8%
Formula
Percentage change = [(576 - 618) / 618] x 100
Subtract the new number by the original number
576 - 618 = -42
-42 ÷ 618 = -0.06796116504854369
-0.06796116504854369 x 100 = -6.8%