-76.28% is the change from 586 to 139
Calculation steps:
[( 139 - 586 ) ÷ 586] x 100 = -76.28%
Formula
Percentage change = [(139 - 586) / 586] x 100
Subtract the new number by the original number
139 - 586 = -447
-447 ÷ 586 = -0.7627986348122867
-0.7627986348122867 x 100 = -76.28%