-94.15% is the change from 581 to 34
Calculation steps:
[( 34 - 581 ) ÷ 581] x 100 = -94.15%
Formula
Percentage change = [(34 - 581) / 581] x 100
Subtract the new number by the original number
34 - 581 = -547
-547 ÷ 581 = -0.9414802065404475
-0.9414802065404475 x 100 = -94.15%