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
Portland II 3 Phoenix 5 -12.9
-0.8
Col Springs 2 Los Angeles II 0 +2.6
+0.1
Las Vegas 4 San Antonio 2 +1.3
-0.0
New Mexico 1 RGV 1 +0.5
+0.0
Tulsa 2 Sacramento 3 -0.5
Reno 0 El Paso 0 -0.1
Orange County 2 OKC 0 *-0.1
+0.1
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Portland II 3 San Antonio 4 -11.7
-0.9
El Paso 4 Portland II 1 Out
-0.6
Las Vegas 0 Reno 2 +0.8
+0.2
Fresno 2 Los Angeles II 2 -0.6
Tulsa 2 New Mexico 1 +0.5
OKC 0 RGV 2 +0.1
Week of 10/18100.0*Chance in playoffs100.0*Average seed
RGV 2 Portland II 1 -1.1
Phoenix 3 OKC 1 +0.3

* 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