How are these numbers calculated?

Big Games

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

Week of 4/22100.0*Chance in playoffs100.0*Average seed
SilverBullets 4 Misfits 1 +15.2
+0.2
Hellfish 1 Wolves 0 -2.7
-0.2
Wolves 6 MorleysDog 3 +2.6
+0.0
Warhawks 2 Mermen 6 +1.1
+0.0
Week of 5/5None
Week of 5/6None
Points
Chance Will Make Playoffs