How are these numbers calculated?

Big Games

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

Week of 10/27100.0*Average seed
BroomBeans 1 Coyotes 0 +0.0
Average Gang 9 Gryffindor 0 -0.0
Week of 11/3100.0*Average seed
Coyotes 1 Gryffindor 0 -0.5
Games Above .500
Chance Will Make Playoffs