How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Average seed
Carlo 75.74 Alex 79.64 +0.4
Pepsin 157.86 Shante 73.8 +0.2
Clib 82.18 Dylan 71.26 -0.1
Week of 12/1100.0*Average seed
Alex 92.36 Tuck 103.64 -0.3
Chris 78.06 Clib 79.92 -0.3
Dylan 91.94 Carlo 70.12 -0.1
Games Above .500
Chance Will Make Playoffs