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 -4.6
-0.1
+0.1
Colombia 1 Paraguay 2 -1.5
-5.7
-0.3
Chile 2 Ecuador 1 +0.7
-0.6
-0.0
Week of 10/10100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Paraguay 0 Venezuela 1 +6.0
+10.2
+0.3
Ecuador 1 Argentina 3 Out
-5.7
+0.2
Peru 1 Colombia 1 Out
No
-0.9
Brazil 3 Chile 0 +1.0
+2.9
+0.1
Points
Chance Will Make Playoffs