How are these numbers calculated?

Big Games

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

Week of 3/14100.0*Chance in playoffs100.0*Average seed
IceHawks 4 Ice Men 1 +24.2
+0.7
Saints 6 Thunder 9 -17.2
Spartans 5 Cobras 3 +6.6
IceDogs 6 Rattlers 1 +2.1
+0.0
Stealth 2 Hornets 4 -1.2
Week of 3/21100.0*Chance in playoffs100.0*Average seed
IceHawks 4 Ice Devils 3 In
+0.7
Outlaws 7 Shock 4 -0.0
Week of 3/29None
Points
Chance Will Make Playoffs