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
Sacramento 2 Phoenix 0 -0.4
Phoenix 4 Tulsa 3 +0.2
Tulsa 0 San Antonio 2 -0.1
Reno 0 Salt Lake 3 +0.1
RGV 2 Swope Park 2 +0.0
Week of 10/7100.0*Average seed
Swope Park 2 Seattle 1 -0.3
Phoenix 2 RGV 0 +0.2
OKC 4 Swope Park 1 +0.2
Orange County 1 Reno 4 -0.1
San Antonio 2 Portland 1 -0.1
Week of 10/14100.0*Average seed
Phoenix 4 Portland 1 +0.1
Points
Chance Will Make Playoffs