-30.12% is the change from 581 to 406
Calculation steps:
[( 406 - 581 ) ÷ 581] x 100 = -30.12%
Formula
Percentage change = [(406 - 581) / 581] x 100
Subtract the new number by the original number
406 - 581 = -175
-175 ÷ 581 = -0.30120481927710846
-0.30120481927710846 x 100 = -30.12%