How are these numbers calculated?

Big Games

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

Week of 3/23100.0*Chance in playoffs100.0*Average seed
FlatPennyBarGrille 6 Marauders 2 +11.1
+0.1
Week of 3/29100.0*Chance in playoffs100.0*Average seed
FlatPennyBarGrille 6 Hogs 2 +24.8
+0.2
Marauders 5 Steamers 2 Out
-0.2
Week of 4/8None
Points
Chance Will Make Playoffs