How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/2100.0*Qualified100.0*Average seed
Bolivia 0 Brazil 0 No
-0.0
Chile 2 Ecuador 1 No
Colombia 1 Paraguay 2 No
Week of 10/10100.0*Qualified100.0*Average seed
Ecuador 1 Argentina 3 +0.1
Uruguay 4 Bolivia 2 -0.0
Points
Chance Will Make Playoffs