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 -24.4
-24.4
-1.7
Colombia 1 Qatar 0 +1.8
+1.8
+0.0
Argentina 1 Paraguay 1 +1.5
+1.5
Bolivia 1 Peru 3 -1.0
-1.0
Uruguay 2 Japan 2 -0.5
-0.5
-0.0
Brazil 0 Venezuela 0 -0.2
-0.2
+0.0
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Ecuador 1 Japan 1 Out
No
-0.9
Colombia 1 Paraguay 0 +12.9
+12.9
+0.2
Qatar 0 Argentina 2 -4.3
-4.3
-0.1
Bolivia 1 Venezuela 3 -3.5
-3.5
+0.2
Points
Chance Will Make Playoffs