-98.45% is the change from 581 to 9
Calculation steps:
[( 9 - 581 ) ÷ 581] x 100 = -98.45%
Formula
Percentage change = [(9 - 581) / 581] x 100
Subtract the new number by the original number
9 - 581 = -572
-572 ÷ 581 = -0.9845094664371773
-0.9845094664371773 x 100 = -98.45%