How are these numbers calculated?

Big Games

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

Week of 11/26100.0*Average seed
Hedgehog Concept 137.6 Iron Skins 166.1 +0.1
East of the Equ 157.3 Big Dogs 192.1 +0.0
Week of 12/3None
Week of 12/10None
Games Above .500
Chance Will Make Playoffs