-89.9% is the change from 584 to 59
Calculation steps:
[( 59 - 584 ) ÷ 584] x 100 = -89.9%
Formula
Percentage change = [(59 - 584) / 584] x 100
Subtract the new number by the original number
59 - 584 = -525
-525 ÷ 584 = -0.898972602739726
-0.898972602739726 x 100 = -89.9%