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
Steamers 106 Razorsharks 124 -0.0
Drive 123 Phoenix 93 +0.0
Drive 133 Diesels 81 +0.0
Week of 3/24100.0*Average seed
Drive 122 Diesels 89 +0.0
Week of 4/1None
Games Above .500
Chance Will Make Playoffs