-32.87% is the change from 581 to 390
Calculation steps:
[( 390 - 581 ) ÷ 581] x 100 = -32.87%
Formula
Percentage change = [(390 - 581) / 581] x 100
Subtract the new number by the original number
390 - 581 = -191
-191 ÷ 581 = -0.3287435456110155
-0.3287435456110155 x 100 = -32.87%