How are these numbers calculated?

Big Games

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

Week of 12/3100.0*Average seed
Ryan 75.3 Dylan 135.36 +0.3
Clib 172.98 Gallo 84.42 -0.2
Chris 78.86 Fred 111.4 -0.1
Week of 12/10100.0*Average seed
Fred 88.3 Dylan 109.84 +0.5
Clib 96.32 Ryan 81.84 -0.2
Games Above .500
Chance Will Make Playoffs