How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Average seed
Houch 101.4 Growney 115.3 +0.9
Coorsh 118 Jones 91.5 +0.1
Leland 90.4 Kwan 99.9 +0.1
Nichols 78.7 Chase 104.9 +0.1
Chooks 66.5 Chuck 91.3 -0.1
Week of 11/29100.0*Average seed
Kwan 138.9 Growney 124.8 -0.8
McCoy 77.9 Chooks 111.2 -0.2
Nichols 111.7 Eric 114.3 +0.2
Coorsh 131.4 Jones 79.2 +0.1
Week of 12/6100.0*Average seed
Growney 99.7 Coorsh 138.6 -0.8
Chase 122.2 Nichols 104.2 +0.2
Chooks 116.3 Kwan 116.1 -0.1
Jones 100.2 Leland 89.5 +0.1
Chuck 82.2 Houch 100.2 +0.1
Games Above .500
Chance Will Make Playoffs