How are these numbers calculated?

Big Games

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

Week of 9/29100.0*Average seed
Sacramento 1 Portland II 0 +0.8
Sacramento 3 Swope Park 1 +0.4
Salt Lake II 2 OKC 1 -0.2
Salt Lake II 0 Col Springs 2 +0.2
Reno 2 Tulsa 0 -0.1
Portland II 0 Reno 2 -0.1
Phoenix 2 St Louis 0 -0.0
Week of 10/5100.0*Average seed
Los Angeles II 1 Sacramento 2 +0.4
Las Vegas 5 Phoenix 2 +0.3
Phoenix 0 Reno 0 +0.1
Week of 10/13100.0*Average seed
Phoenix 0 Portland II 1 +0.3
Sacramento 1 Las Vegas 0 +0.3
Points
Chance Will Make Playoffs