How are these numbers calculated?

Big Games

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

Week of 9/8100.0*Average seed
Kansas City II 2 Chicago II 3 -0.4
Tacoma 3 San Jose II 2 -0.1
Minnesota II 2 Austin II 1 (so)+0.1
Week of 9/15100.0*Average seed
Minnesota II 3 Kansas City II 2 -0.4
Austin II 1 Colorado II 2 +0.2
St Louis II 4 Los Angeles II 1 -0.1
Week of 9/24100.0*Average seed
Kansas City II 2 St Louis II 1 (so)+0.6
North Texas 3 Austin II 1 +0.6
Points
Chance Will Make Playoffs