-16.02% is the change from 618 to 519
Calculation steps:
[( 519 - 618 ) ÷ 618] x 100 = -16.02%
Formula
Percentage change = [(519 - 618) / 618] x 100
Subtract the new number by the original number
519 - 618 = -99
-99 ÷ 618 = -0.16019417475728157
-0.16019417475728157 x 100 = -16.02%