-17.62% is the change from 579 to 477
Calculation steps:
[( 477 - 579 ) ÷ 579] x 100 = -17.62%
Formula
Percentage change = [(477 - 579) / 579] x 100
Subtract the new number by the original number
477 - 579 = -102
-102 ÷ 579 = -0.17616580310880828
-0.17616580310880828 x 100 = -17.62%