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
Argentina 1 Paraguay 1 -5.4
-5.4
-0.4
Colombia 1 Qatar 0 +2.3
+2.3
Ecuador 1 Chile 2 +2.2
+2.2
+0.1
Bolivia 1 Peru 3 -1.0
-1.0
Uruguay 2 Japan 2 -0.6
-0.6
Brazil 0 Venezuela 0 -0.2
-0.2
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Qatar 0 Argentina 2 +60.6
+60.6
+2.6
Ecuador 1 Japan 1 +4.6
+4.6
Colombia 1 Paraguay 0 +2.7
+2.7
+0.4
Bolivia 1 Venezuela 3 -0.5
-0.5
+0.1
Peru 0 Brazil 5 +0.1
+0.1
+0.0
Chile 0 Uruguay 1 -0.0
Points
Chance Will Make Playoffs