How are these numbers calculated?

Big Games

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

Week of 4/22None
Week of 5/5None
Week of 5/6100.0*Chowder Cup100.0*Average seed
2ndShift 1 UnionTavern 4 Yes
+0.9
StevenSeagals 2 UnionTavern 1 -17.0
-0.4
2ndShift 7 OldSchool 1 -8.8
-0.1
Points
Chance Will Make Playoffs