-18.83% is the change from 579 to 470
Calculation steps:
[( 470 - 579 ) ÷ 579] x 100 = -18.83%
Formula
Percentage change = [(470 - 579) / 579] x 100
Subtract the new number by the original number
470 - 579 = -109
-109 ÷ 579 = -0.18825561312607944
-0.18825561312607944 x 100 = -18.83%