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*Chance in playoffs100.0*Average seed
Dane 71.7 Alex 132.5 +4.0
+0.7
Dave 117.8 Clay 66.4 -1.3
Brett 113.3 Spencer 90 -0.8
+0.2
Jed 107.4 Packy 98.1 -0.1
-0.0
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Alex 120.7 Brett 116.2 +0.4
Winston 80.5 Dane 107.9 -0.1
Christian 91.3 Will 122.4 -0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Jed vs Alex-1.2+1.7
Dane vs Brett-0.1+0.3
Clay vs Spencer+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In7123718,230,089
80-1In15414425,477,327
Total:In29912242643,707,416
Games Above .500
Chance Will Make Playoffs