How are these numbers calculated?

Big Games

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

Week of 3/13100.0*Chance in playoffs100.0*Average seed
Pub 3 Shanks 5 +13.8
+0.3
Warriors 6 Pub 4 +10.7
-0.0
WarriorsHockeyClub 4 Moose 4 (ot)-4.6
-0.3
DirtyMikeandtheBoys 9 ThirstyTurtles 4 +0.0
Week of 3/20100.0*Chance in playoffs100.0*Average seed
Pub 2 JHF 5 In
+0.0
ThirstyTurtles 6 WarriorsHockeyClub 3 -0.3
Moose 2 Predators 12 +0.1
Week of 3/27None
Points
Chance Will Make Playoffs