How are these numbers calculated?

Big Games

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

Week of 8/14100.0*Chance in playoffs100.0*Average seed
CapeAnnCobras 1 RedLightDistrict 2 -21.1
-0.2
Ponies 6 PupNSuds 6 (ot)-5.3
-0.1
ThirstyTurtles 6 Ironside 4 -0.2
SummerSauce 4 MITEngineers 2 -0.0
Week of 8/21None
Week of 8/28None
Points
Chance Will Make Playoffs