-15.72% is the change from 579 to 488
Calculation steps:
[( 488 - 579 ) ÷ 579] x 100 = -15.72%
Formula
Percentage change = [(488 - 579) / 579] x 100
Subtract the new number by the original number
488 - 579 = -91
-91 ÷ 579 = -0.15716753022452504
-0.15716753022452504 x 100 = -15.72%