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 +6.8
+6.8
+0.3
Ecuador 1 Chile 2 +2.1
+2.1
-0.1
Colombia 1 Qatar 0 +0.8
+0.8
-0.1
Argentina 1 Paraguay 1 +0.7
+0.7
+0.1
Bolivia 1 Peru 3 -0.4
-0.4
-0.1
Brazil 0 Venezuela 0 -0.1
-0.1
+0.1
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Bolivia 1 Venezuela 3 -0.3
-0.3
-0.2
Chile 0 Uruguay 1 In
Yes
+2.1
Colombia 1 Paraguay 0 In
Yes
-0.1
Ecuador 1 Japan 1 In
Yes
+0.1
Peru 0 Brazil 5 +0.0
Qatar 0 Argentina 2 -0.0
Points
Chance Will Make Playoffs