-38.14% is the change from 999 to 618
Calculation steps:
[( 618 - 999 ) ÷ 999] x 100 = -38.14%
Formula
Percentage change = [(618 - 999) / 999] x 100
Subtract the new number by the original number
618 - 999 = -381
-381 ÷ 999 = -0.3813813813813814
-0.3813813813813814 x 100 = -38.14%