-25.3% is the change from 581 to 434
Calculation steps:
[( 434 - 581 ) ÷ 581] x 100 = -25.3%
Formula
Percentage change = [(434 - 581) / 581] x 100
Subtract the new number by the original number
434 - 581 = -147
-147 ÷ 581 = -0.25301204819277107
-0.25301204819277107 x 100 = -25.3%