How are these numbers calculated?

Big Games

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

Week of 10/5100.0*Chance in playoffs100.0*Qualified100.0*Average seed
United States 4 Panama 0 -0.7
-0.8
Costa Rica 1 Honduras 1 +0.3
+3.8
+0.1
Week of 10/9100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Honduras 3 Mexico 2 +11.1
+32.2
+0.6
Trinidad and T 2 United States 1 +9.0
+5.7
+0.1
Panama 2 Costa Rica 1 -1.2
-12.9
-0.3
Points
Chance Will Make Playoffs