-2.75% is the change from 618 to 601
Calculation steps:
[( 601 - 618 ) ÷ 618] x 100 = -2.75%
Formula
Percentage change = [(601 - 618) / 618] x 100
Subtract the new number by the original number
601 - 618 = -17
-17 ÷ 618 = -0.02750809061488673
-0.02750809061488673 x 100 = -2.75%