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
BlackHawks 2 Dangleberries 2 +11.5
+0.2
LuckyPucks 6 LastCall 1 In
+0.1
LuckyPucks 4 TheCranston 4 +0.4
+0.1
Week of 8/18100.0*Chance in playoffs100.0*Average seed
BlackHawks 4 LastCall 1 +0.6
LuckyPucks 8 Blizzard 4 -0.2
Blizzard 4 TheCranston 3 +0.1
Dangleberries 2 Neoscape 2 -0.1
Week of 8/25None
Points
Chance Will Make Playoffs