How are these numbers calculated? (show)

Big Games

How we did yesterday and who we should root for today.   Explain (show)

Wednesday, 9/9Impact
Paraguay1Argentina0-8.4(-0.24)
Bolivia1Ecuador3-7.1(-0.16)
Uruguay3Colombia1-2.2(-0.05)
Brazil4Chile2-0.2
Venezuela3Peru10.1
-21.65 (-0.54)
Saturday, 10/10
Argentina2Peru19.8(0.26)
Ecuador1Uruguay21.8(0.06)
Venezuela1Paraguay20.9(0.07)
Colombia2Chile40.8(0.03)
12.30 (0.31)
Wednesday, 10/14
Uruguay0Argentina1In(0.64)
Chile1Ecuador04.2(0.08)
31.94 (0.64)
Points  (Full Screen)
Chance Will Be Promoted  (Full Screen)