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
NorthernLights 5 MooseKnuckles 7 +15.6
+0.6
ProTransmission 4 Wolverines 1 +3.2
+0.1
Royals 8 YYZ 6 -1.4
-0.2
Lumberhacks 4 WheelTeam6 6 -0.8
-0.1
Week of 8/26None
Week of 9/3100.0*Chance in playoffs100.0*Average seed
MooseKnuckles 3 ProTransmission 3 (ot)In
+0.7
WheelTeam6 4 Wolverines 4 (ot)In
+0.1
Points
Chance Will Make Playoffs