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
Brett 113.3 Spencer 90 +0.3
+0.8
Dane 71.7 Alex 132.5 -0.1
Dave 117.8 Clay 66.4 -0.1
Jed 107.4 Packy 98.1 +0.0
Winston 81.7 Christian 108.9 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Alex 120.7 Brett 116.2 Out
-0.2
Christian 91.3 Will 122.4 +0.2
Packy 101.7 Clay 79.8 -0.4
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Dane vs Brett-0.2+0.6
Dave vs Christian+0.2-0.6
Packy vs Lee-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
51-0Out505010,183,979
40-1Out722833,523,437
Total:Out12672243,707,416
Games Above .500
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 11/19100.0*Lottery seed
Brett 113.3 Spencer 90 -0.8
Winston 81.7 Christian 108.9 +0.1
Jed 107.4 Packy 98.1 -0.0
Week of 11/26100.0*Lottery seed
Packy 101.7 Clay 79.8 +0.4
Alex 120.7 Brett 116.2 +0.2
Christian 91.3 Will 122.4 -0.2
If winner is:HomeAway
Week of 12/3100.0*Lottery seed
Dane vs Brett+0.2-0.6
Dave vs Christian-0.2+0.6
Packy vs Lee+0.1-0.1

What If

100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112
51-05050
40-17228
Total:126722