How are these numbers calculated?

Big Games

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

Week of 8/23100.0*Chance in playoffs100.0*Average seed
Sunnyvale 0 OriginalSix 1 +9.7
+0.1
BackDoorBangers 4 Sunnyvale 4 (ot)+6.1
+0.1
SonsofSnizek 5 OriginalSix 7 +3.8
+0.1
Week of 8/30100.0*Chance in playoffs100.0*Average seed
BackDoorBangers 6 Jagrbombs 1 In
+0.5
RhodeIslanders 0 Sunnyvale 0 -15.3
-0.2
SonsofSnizek 1 Jets 2 +6.7
+0.1
Week of 9/6None
Points
Chance Will Make Playoffs