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*Chance in playoffs100.0*Qualified100.0*Average seed
Argentina 0 Peru 0 +6.9
+2.1
+0.0
Chile 2 Ecuador 1 Out
No
-0.9
Colombia 1 Paraguay 2 -0.5
-5.5
-0.3
Week of 10/10100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Ecuador 1 Argentina 3 -0.3
Peru 1 Colombia 1 +0.2
Uruguay 4 Bolivia 2 +0.0
Points
Chance Will Make Playoffs