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
Colombia 1 Paraguay 2 -24.0
-13.9
-0.8
Argentina 0 Peru 0 +2.3
+1.5
+0.1
Chile 2 Ecuador 1 +0.1
Venezuela 0 Uruguay 0 +0.1
Week of 10/10100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Ecuador 1 Argentina 3 -16.7
-9.0
-0.4
Paraguay 0 Venezuela 1 +12.0
+6.5
+0.3
Peru 1 Colombia 1 +9.7
+5.3
+0.1
Brazil 3 Chile 0 +2.3
+1.7
+0.0
Uruguay 4 Bolivia 2 -0.0
Points
Chance Will Make Playoffs