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*Chowder Cup100.0*Average seed
Royals 8 YYZ 6 -4.7
-0.3
Lumberhacks 4 WheelTeam6 6 In
+7.9
+0.5
NorthernLights 5 MooseKnuckles 7 -2.0
-0.1
ProTransmission 4 Wolverines 1 -4.8
+0.0
Week of 8/26None
Week of 9/3100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
MooseKnuckles 3 ProTransmission 3 (ot)+19.5
+0.2
WheelTeam6 4 Wolverines 4 (ot)+0.7
+0.0
Points
Chance Will Make Playoffs