How are these numbers calculated?

Big Games

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

Week of 9/30100.0*Chance in playoffs100.0*Average seed
Phoenix 4 Tulsa 3 -4.0
-0.4
Orange County 3 Sacramento 1 -1.5
+0.1
Tulsa 0 San Antonio 2 -1.3
-0.3
OKC 3 Los Angeles 0 -0.9
-0.1
Col Springs 2 Orange County 1 +0.4
Sacramento 2 Phoenix 0 -0.2
-0.1
Week of 10/7100.0*Chance in playoffs100.0*Average seed
Tulsa 1 Seattle 0 In
+0.6
Col Springs 1 Sacramento 0 -5.5
+0.1
Orange County 1 Reno 4 +5.0
+0.1
OKC 4 Swope Park 1 -0.2
Week of 10/14100.0*Chance in playoffs100.0*Average seed
Tulsa 2 Col Springs 4 -0.4
OKC 3 Seattle 1 -0.4
Reno 2 Sacramento 2 +0.2
Points
Chance Will Make Playoffs