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
Uruguay 2 Japan 2 +8.3
+8.3
+0.4
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
Ecuador 1 Chile 2 +0.9
+0.9
+0.1
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Ecuador 1 Japan 1 -37.6
-37.6
-0.0
Colombia 1 Paraguay 0 +3.0
+3.0
+0.0
Bolivia 1 Venezuela 3 -0.6
-0.6
-0.0
Qatar 0 Argentina 2 +0.4
+0.4
Peru 0 Brazil 5 +0.1
+0.1
+0.0
Chile 0 Uruguay 1 -0.1
Points
Chance Will Make Playoffs