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 -9.8
-0.4
Hellfish 1 ThornyDevils 1 -0.2
Week of 8/18100.0*Chance in playoffs100.0*Average seed
ThornyDevils 6 PondScum 2 -18.8
-0.4
TheHooligans 5 Capitals 2 In
+0.2
Hellfish 1 Eagles 0 -0.2
Week of 8/25None
Points
Chance Will Make Playoffs