-15.83% is the change from 581 to 489
Calculation steps:
[( 489 - 581 ) ÷ 581] x 100 = -15.83%
Formula
Percentage change = [(489 - 581) / 581] x 100
Subtract the new number by the original number
489 - 581 = -92
-92 ÷ 581 = -0.15834767641996558
-0.15834767641996558 x 100 = -15.83%