-0.35% is the change from 579 to 577
Calculation steps:
[( 577 - 579 ) ÷ 579] x 100 = -0.35%
Formula
Percentage change = [(577 - 579) / 579] x 100
Subtract the new number by the original number
577 - 579 = -2
-2 ÷ 579 = -0.0034542314335060447
-0.0034542314335060447 x 100 = -0.35%