How are these numbers calculated?

Big Games

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

Week of 8/19100.0*Chance in playoffs100.0*Average seed
CarpetAngels 4 PuckBuddies 5 -9.8
-0.1
DragonSlayers 5 YYZ 4 +7.7
+0.1
IceHogs 2 Brewskis 2 (ot)-0.2
Hagen 8 SlapShot 6 -0.1
-0.1
Week of 8/26100.0*Chance in playoffs100.0*Average seed
PlanB 4 DragonSlayers 9 In
+0.3
PuckBuddies 5 Lumberhacks 3 -14.2
-0.1
PuckBuddies 6 DragonSlayers 1 -0.5
Hagen 6 CarpetAngels 6 (ot)+0.1
Week of 9/5None
Points
Chance Will Make Playoffs