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
New Mexico 1 RGV 1 -7.0
-0.6
Col Springs 2 Los Angeles II 0 +3.5
+0.2
Las Vegas 4 San Antonio 2 +2.9
+0.1
Portland II 3 Phoenix 5 +1.3
+0.0
Tulsa 2 Sacramento 3 -0.9
-0.2
Orange County 2 OKC 0 -0.3
-0.1
El Paso 1 Austin 1 -0.1
+0.1
Reno 0 El Paso 0 -0.1
+0.0
Week of 10/11100.0*Chance in playoffs100.0*Average seed
New Mexico 1 Tacoma 1 -20.1
-0.6
Tulsa 2 New Mexico 1 -16.0
-0.9
Portland II 3 San Antonio 4 -8.5
-0.1
Las Vegas 0 Reno 2 +3.0
+0.1
Fresno 2 Los Angeles II 2 +1.1
+0.0
El Paso 4 Portland II 1 -0.0
Week of 10/18100.0*Chance in playoffs100.0*Average seed
New Mexico 2 Las Vegas 0 +37.8
+0.8
Los Angeles II 2 El Paso 0 -15.8
-0.3
San Antonio 2 Col Springs 2 +12.6
+0.3
Points
Chance Will Make Playoffs