-13.82% is the change from 579 to 499
Calculation steps:
[( 499 - 579 ) ÷ 579] x 100 = -13.82%
Formula
Percentage change = [(499 - 579) / 579] x 100
Subtract the new number by the original number
499 - 579 = -80
-80 ÷ 579 = -0.1381692573402418
-0.1381692573402418 x 100 = -13.82%