How are these numbers calculated?

Big Games

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

Week of 3/4100.0*Average seed
Pylons 5 Stars 1 +0.1
Red Army 5 Thrashers 5 +0.1
Icemen 3 Rebels 1 -0.1
Week of 3/11100.0*Average seed
Stars 3 Icemen 5 -0.5
Killer Bees 0 Icemen 3 -0.2
Bench Minors 3 Pylons 4 +0.1
Week of 3/18100.0*Average seed
Red Army 1 Gunners 9 -0.4
Games Above .500
Chance Will Make Playoffs