How are these numbers calculated?

Big Games

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

Week of 4/16100.0*Chance in playoffs100.0*Average seed
Sled Dogs 0 Badgers 3 (ot)-9.1
-0.7
Tsunami 3 Hegemony 4 +4.4
+0.1
Wizards 3 Hitmen 7 +2.0
+0.1
Blizzard 1 RedHawks 3 +1.2
+0.1
Week of 4/23100.0*Chance in playoffs100.0*Average seed
Sled Dogs 4 RedHawks 7 Out
-0.4
Saints 8 Hitmen 1 -1.7
-0.5
Snowmen 4 Tsunami 3 (ot)-1.1
-0.3
Blizzard 2 Hegemony 4 +0.1
Week of 4/30100.0*Chance in playoffs100.0*Average seed
Blizzard 3 Wizards 5 -0.6
Tsunami 3 Badgers 2 (ot)-0.1
Points
Chance Will Make Playoffs