How are these numbers calculated?

Big Games

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

Week of 2/15100.0*Average seed
Olympiakos 4 Panionios 0 -0.1
Panathinaikos 3 Panetolikos 1 +0.1
Week of 2/22100.0*Average seed
Panetolikos 1 Panionios 0 -0.1
Week of 3/1None
Points
Chance Will Make Playoffs