-96.76% is the change from 586 to 19
Calculation steps:
[( 19 - 586 ) ÷ 586] x 100 = -96.76%
Formula
Percentage change = [(19 - 586) / 586] x 100
Subtract the new number by the original number
19 - 586 = -567
-567 ÷ 586 = -0.9675767918088737
-0.9675767918088737 x 100 = -96.76%