How are these numbers calculated?

Big Games

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

Week of 6/20100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Ecuador 1 Chile 2 -8.8
-8.8
-0.5
Argentina 1 Paraguay 1 +6.0
+6.0
+0.0
Colombia 1 Qatar 0 +2.1
+2.1
+0.0
Bolivia 1 Peru 3 -1.8
-1.8
+0.0
Brazil 0 Venezuela 0 -1.7
-1.7
Uruguay 2 Japan 2 -0.3
-0.3
-0.1
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Ecuador 1 Japan 1 Out
No
-0.5
Colombia 1 Paraguay 0 +6.5
+6.5
+0.1
Qatar 0 Argentina 2 -2.1
-2.1
Bolivia 1 Venezuela 3 -0.2
-0.2
+0.1
Points
Chance Will Make Playoffs