-1.38% is the change from 581 to 573
Calculation steps:
[( 573 - 581 ) ÷ 581] x 100 = -1.38%
Formula
Percentage change = [(573 - 581) / 581] x 100
Subtract the new number by the original number
573 - 581 = -8
-8 ÷ 581 = -0.013769363166953529
-0.013769363166953529 x 100 = -1.38%