How are these numbers calculated?

Big Games

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

Week of 3/16100.0*Chance in playoffs100.0*Average seed
Lux 9 Samsquanch 6 -48.3
-0.5
Wolverines 0 StevesPizza 4 -7.7
-0.5
Week of 3/23None
Week of 4/1None
Points
Chance Will Make Playoffs