How are these numbers calculated?

Big Games

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

Week of 7/1100.0*Chance in playoffs100.0*Average seed
Laredo 3 New Orleans 1 +7.7
+0.5
Austin 7 West-Texas 0 -3.0
-0.3
West-Texas 1 El Paso 4 -2.7
-0.1
Jax 1 Panama City 3 -2.0
-0.1
Ft. Lauderdale 0 Ocala 3 -0.8
-0.1
Mississippi 1 Tampa 0 +0.5
St. Louis 2 Thunder Bay 3 *+0.1
NJ Rangers 3 Baltimore 2 *+0.1
Laredo 1 New Orleans 1 *-0.1
-0.1
Hamilton 2 Forest City 4 *+0.1
Fire-PDL 0 Michigan 2 *+0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
El Paso 0 Austin 1 +2.1
-0.3
West-Texas 1 Laredo 3 +0.3
New Orleans 1 Austin 0 +0.3
El Paso 1 Laredo 4 +0.3
Panama City 0 Ocala 4 -0.2
Ocala 2 Panama City 0 -0.1
Orlando City 1 Tampa 1 +0.0
Week of 7/15None

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs