-0.42% is the change from 479 to 477
Calculation steps:
[( 477 - 479 ) ÷ 479] x 100 = -0.42%
Formula
Percentage change = [(477 - 479) / 479] x 100
Subtract the new number by the original number
477 - 479 = -2
-2 ÷ 479 = -0.0041753653444676405
-0.0041753653444676405 x 100 = -0.42%