How are these numbers calculated?

Big Games

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

Week of 8/11100.0*Chance in playoffs100.0*Average seed
LuckyPucks 6 LastCall 1 -34.7
-0.9
BlackHawks 2 Dangleberries 2 -7.0
-0.0
LuckyPucks 4 TheCranston 4 -2.4
-0.1
Week of 8/18100.0*Chance in playoffs100.0*Average seed
Dangleberries 2 Neoscape 2 Out
-0.2
Week of 8/25None
Points
Chance Will Make Playoffs