-51.81% is the change from 579 to 279
Calculation steps:
[( 279 - 579 ) ÷ 579] x 100 = -51.81%
Formula
Percentage change = [(279 - 579) / 579] x 100
Subtract the new number by the original number
279 - 579 = -300
-300 ÷ 579 = -0.5181347150259067
-0.5181347150259067 x 100 = -51.81%