How are these numbers calculated?

Big Games

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

Week of 7/7100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Trinidad 3 Guatemala 1 -22.7
-22.7
-2.1
Panama 1 United States 1 -4.8
-4.8
Guatemala 0 Mexico 0 +4.1
+4.1
+0.3
Honduras 1 Panama 1 +3.1
+3.1
Jamaica 1 Canada 0 -2.9
-2.9
-0.1
Trinidad 2 Cuba 0 +1.5
+1.5
+0.1
Haiti 1 Honduras 0 +1.2
+1.2
United States 1 Haiti 0 +1.1
+1.1
El Salvador 0 Canada 0 +0.4
+0.4
Mexico 6 Cuba 0 -0.4
-0.4
Panama 1 Haiti 1 +0.3
+0.3
Costa Rica 2 Jamaica 2 +0.2
+0.2
United States 2 Honduras 1 -0.1
-0.1
Costa Rica 1 El Salvador 1 -0.1
-0.1
+0.0
Week of 7/14100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Cuba 1 Guatemala 0 Out
No
-3.7
Jamaica 1 El Salvador 0 +3.2
+3.2
+0.1
Canada 0 Costa Rica 0 -2.7
-2.7
Mexico 4 Trinidad 4 -0.2
Points
Chance Will Make Playoffs