-16.34% is the change from 618 to 517
Calculation steps:
[( 517 - 618 ) ÷ 618] x 100 = -16.34%
Formula
Percentage change = [(517 - 618) / 618] x 100
Subtract the new number by the original number
517 - 618 = -101
-101 ÷ 618 = -0.1634304207119741
-0.1634304207119741 x 100 = -16.34%