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*Average seed
Las Vegas 4 San Antonio 2 -22.0
-1.1
Col Springs 2 Los Angeles II 0 +3.9
+0.1
Portland II 3 Phoenix 5 +2.6
+0.1
New Mexico 1 RGV 1 +0.9
+0.0
Tulsa 2 Sacramento 3 -0.8
-0.1
El Paso 1 Austin 1 -0.1
Reno 0 El Paso 0 *-0.1
Salt Lake II 2 Orange County 0 -0.1
Orange County 2 OKC 0 +0.0
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Portland II 3 San Antonio 4 +28.0
+1.1
New Mexico 1 Tacoma 1 +8.0
+0.1
Tulsa 2 New Mexico 1 +7.9
+0.2
Las Vegas 0 Reno 2 +6.4
+0.2
Fresno 2 Los Angeles II 2 -2.3
-0.1
El Paso 4 Portland II 1 +0.9
Salt Lake II 2 Austin 2 -0.3
-0.1
Week of 10/18100.0*Chance in playoffs100.0*Average seed
New Mexico 2 Las Vegas 0 -28.4
-0.3
Los Angeles II 2 El Paso 0 -3.5
-0.3
San Antonio 2 Col Springs 2 +1.1
-0.0

* 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