How are these numbers calculated?

Big Games

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

Week of 8/18100.0*Chance in playoffs100.0*Average seed
OrangeCrush 1 RubberPuckies 4 +14.4
+0.4
NEProgeny 3 ShrewsburyRangers 5 +10.0
+0.0
Week of 8/23None
Week of 8/31None
Points
Chance Will Make Playoffs