How are these numbers calculated?

Big Games

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

Week of 12/13100.0*Average seed
TOM 70 COUP 62 -0.1
COLE 70 ROZY 52 +0.1
Week of 12/27100.0*Average seed
ROZY 73 BEAN 58 -0.3
COUP 71 AL 68 +0.2
Points
Chance Will Make Playoffs