How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Average seed
Dave 117.8 Clay 66.4 -0.7
Dane 71.7 Alex 132.5 +0.2
Brett 113.3 Spencer 90 +0.1
Jed 107.4 Packy 98.1 -0.1
Week of 11/26100.0*Average seed
Packy 101.7 Clay 79.8 -0.7
Spencer 86.9 Jed 76.9 -0.2
Winston 80.5 Dane 107.9 -0.0
If winner is:HomeAway
Week of 12/3100.0*Average seed
Clay vs Spencer+0.7-0.7
Jed vs Alex+0.4-0.5
Dane vs Brett-0.1+0.4

What If

Chances based on how well the Clay finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In19493221,854,536
80-1In1524721,852,880
Total:In1025422443,707,416
Games Above .500
Chance Will Make Playoffs