How are these numbers calculated?

Big Games

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

Week of 9/9100.0*Average seed
Los Angeles 1 RGV 0 -0.7
RGV 0 Portland 1 -0.5
Los Angeles 1 Sacramento 1 +0.1
Vancouver 0 Col Springs 2 -0.1
OKC 2 Seattle 2 +0.1
Week of 9/17100.0*Average seed
Orange County 0 RGV 1 +0.9
Col Springs 2 Seattle 1 -0.2
Tulsa 1 Swope Park 3 -0.1
Sacramento 1 Los Angeles 1 +0.1
OKC 0 Swope Park 3 +0.0
Week of 9/24100.0*Average seed
RGV 3 San Antonio 0 +0.8
Tulsa 0 Sacramento 4 -0.3
Swope Park 2 Seattle 0 -0.2
Orange County 4 Col Springs 0 +0.1
Points
Chance Will Make Playoffs