-98.62% is the change from 581 to 8
Calculation steps:
[( 8 - 581 ) ÷ 581] x 100 = -98.62%
Formula
Percentage change = [(8 - 581) / 581] x 100
Subtract the new number by the original number
8 - 581 = -573
-573 ÷ 581 = -0.9862306368330465
-0.9862306368330465 x 100 = -98.62%