How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/6100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Mexico 2 Jamaica 0 -0.1
Uruguay 0 Venezuela 1 -0.0
Week of 6/10100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
United States 1 Paraguay 0 In
Yes
+1.4
Colombia 2 Costa Rica 3 -4.9
-4.9
+0.5
Mexico 1 Venezuela 1 -0.3
Ecuador 4 Haiti 0 -0.1
Chile 4 Panama 2 -0.1
Brazil 0 Peru 1 -0.1
Argentina 5 Panama 0 +0.0
Chile 2 Bolivia 1 -0.0
Uruguay 3 Jamaica 0 -0.0
Points
Chance Will Make Playoffs