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
PondScum 2 Capitals 6 -11.3
-0.6
Hellfish 1 ThornyDevils 1 -0.1
Week of 8/18100.0*Chance in playoffs100.0*Average seed
ThornyDevils 6 PondScum 2 -19.3
-0.5
TheHooligans 5 Capitals 2 In
+0.2
Hellfish 1 Eagles 0 -0.3
Week of 8/25None
Points
Chance Will Make Playoffs