How are these numbers calculated?

Big Games

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

Week of 7/13100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Honduras 0 French Guyana 0 -24.5
-24.5
-0.7
El Salvador 2 Curaçao 0 -2.8
-2.8
-0.0
United States 3 Martinique 2 -2.4
-2.4
-0.1
Panama 2 Nicaragua 1 -2.4
-2.4
Costa Rica 1 Canada 1 -1.1
-1.1
-0.1
Mexico 0 Jamaica 0 -0.7
-0.7
Week of 7/16100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Costa Rica 3 French Guyana 0 Out
No
-0.6
Jamaica 1 El Salvador 1 -2.0
-2.0
Canada 0 Honduras 0 +1.4
+1.4
-0.2
Panama 3 Martinique 0 +0.9
+0.9
Nicaragua 0 United States 3 +0.2
Curaçao 0 Mexico 2 +0.1
Points
Chance Will Make Playoffs