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
OKC 3 Los Angeles 0 +18.3
+0.5
Col Springs 2 Orange County 1 +5.0
+0.0
Orange County 3 Sacramento 1 -3.9
+0.1
Sacramento 2 Phoenix 0 -2.0
-0.1
RGV 2 Swope Park 2 +0.9
+0.0
Phoenix 4 Tulsa 3 +0.7
+0.1
Tulsa 0 San Antonio 2 +0.3
+0.1
Week of 10/7100.0*Chance in playoffs100.0*Average seed
OKC 4 Swope Park 1 In
+0.6
Orange County 1 Reno 4 +6.8
+0.1
Col Springs 1 Sacramento 0 -4.8
+0.1
Tulsa 1 Seattle 0 -1.4
-0.2
Week of 10/14100.0*Chance in playoffs100.0*Average seed
OKC 3 Seattle 1 +0.7
Tulsa 2 Col Springs 4 +0.3
Reno 2 Sacramento 2 -0.0
Points
Chance Will Make Playoffs