-98.46% is the change from 583 to 9
Calculation steps:
[( 9 - 583 ) ÷ 583] x 100 = -98.46%
Formula
Percentage change = [(9 - 583) / 583] x 100
Subtract the new number by the original number
9 - 583 = -574
-574 ÷ 583 = -0.9845626072041166
-0.9845626072041166 x 100 = -98.46%