-97.77% is the change from 584 to 13
Calculation steps:
[( 13 - 584 ) ÷ 584] x 100 = -97.77%
Formula
Percentage change = [(13 - 584) / 584] x 100
Subtract the new number by the original number
13 - 584 = -571
-571 ÷ 584 = -0.9777397260273972
-0.9777397260273972 x 100 = -97.77%