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 +11.7
+1.0
Col Springs 2 Los Angeles II 0 +1.4
Portland II 3 Phoenix 5 +1.2
+0.1
Tulsa 2 Sacramento 3 -0.2
Orange County 2 OKC 0 +0.1
+0.2
El Paso 1 Austin 1 -0.1
New Mexico 1 RGV 1 +0.1
Reno 0 El Paso 0 -0.1
Salt Lake II 2 Orange County 0 -0.1
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Las Vegas 0 Reno 2 -18.0
-0.8
Portland II 3 San Antonio 4 -3.9
-0.1
Tulsa 2 New Mexico 1 +3.7
+0.1
New Mexico 1 Tacoma 1 +1.8
+0.1
El Paso 4 Portland II 1 +0.4
+0.2
Fresno 2 Los Angeles II 2 -0.4
-0.0
OKC 0 RGV 2 +0.1
Week of 10/18100.0*Chance in playoffs100.0*Average seed
San Antonio 2 Col Springs 2 Out
-0.0
New Mexico 2 Las Vegas 0 Out
-1.0
RGV 2 Portland II 1 -0.1
Points
Chance Will Make Playoffs