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
Bolivia 1 Peru 3 -6.8
-6.8
-0.5
Argentina 1 Paraguay 1 +1.1
+1.1
-0.1
Brazil 0 Venezuela 0 +0.9
+0.9
+0.0
Uruguay 2 Japan 2 -0.6
-0.6
-0.1
Ecuador 1 Chile 2 +0.5
+0.5
+0.1
Colombia 1 Qatar 0 +0.4
+0.4
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Bolivia 1 Venezuela 3 Out
No
-0.3
Colombia 1 Paraguay 0 +0.3
+0.3
Ecuador 1 Japan 1 +0.3
+0.3
-0.2
Qatar 0 Argentina 2 -0.1
-0.1
Points
Chance Will Make Playoffs