How are these numbers calculated?

Big Games

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

Week of 3/17100.0*Average seed
Strikers 108 Admirals 104 -0.4
Phoenix 100 Predators 102 +0.0
Predators 113 Phoenix 99 +0.0
Muscle 100 Predators 123 +0.0
Drive 133 Diesels 81 +0.0
Drive 123 Phoenix 93 +0.0
Week of 3/24100.0*Average seed
Muscle 88 Phoenix 83 +0.1
Drive 122 Diesels 89 +0.0
Week of 4/1None
Games Above .500
Chance Will Make Playoffs