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*Average seed
Tulsa 0 San Antonio 2 +0.6
Reno 0 Salt Lake 3 +0.2
Sacramento 2 Phoenix 0 +0.1
RGV 2 Swope Park 2 +0.1
Week of 10/7100.0*Average seed
San Antonio 2 Portland 1 +0.3
OKC 4 Swope Park 1 +0.2
Orange County 1 Reno 4 -0.2
San Antonio 1 Tampa Bay 1 -0.1
Swope Park 2 Seattle 1 -0.0
Week of 10/14100.0*Average seed
San Antonio 3 RGV 1 +0.3
Reno 2 Sacramento 2 +0.1
Points
Chance Will Make Playoffs