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
Icemen 3 Rebels 1 +0.3
Pylons 5 Stars 1 +0.1
Red Army 5 Thrashers 5 -0.0
Week of 3/11100.0*Average seed
Stars 3 Icemen 5 +0.6
Killer Bees 0 Icemen 3 +0.5
Week of 3/18100.0*Average seed
Red Army 1 Gunners 9 +0.2
Games Above .500
Chance Will Make Playoffs