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
Colombia 1 Qatar 0 -11.6
-11.6
-1.2
Argentina 1 Paraguay 1 +2.5
+2.5
+0.3
Uruguay 2 Japan 2 -1.2
-1.2
Ecuador 1 Chile 2 +1.0
+1.0
Bolivia 1 Peru 3 -0.8
-0.8
-0.0
Brazil 0 Venezuela 0 -0.6
-0.6
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Qatar 0 Argentina 2 Out
No
-2.8
Ecuador 1 Japan 1 +9.9
+9.9
+0.1
Colombia 1 Paraguay 0 +4.9
+4.9
+0.3
Bolivia 1 Venezuela 3 -0.1
-0.1
-0.0
Peru 0 Brazil 5 +0.0
Chile 0 Uruguay 1 -0.1
Points
Chance Will Make Playoffs