How are these numbers calculated?

Big Games

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

Week of 3/14100.0*Average seed
Spartans 5 Cobras 3 -0.2
Saints 6 Thunder 9 -0.2
Week of 3/21100.0*Average seed
Spartans 7 Saints 6 (ot)-0.5
Week of 3/29None
Points
Chance Will Make Playoffs