How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Chance in playoffs100.0*Average seed
Nappers 75.18 Bombers 147.1 Out
-0.2
Chipmunks 93.84 Fighters 93 +2.6
Week of 11/28None
Week of 12/5None
Games Above .500
Chance Will Make Playoffs