How are these numbers calculated?

Big Games

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

Week of 10/19100.0*Chance in playoffs100.0*Average seed
Owen 85.42 Tommy 87.34 +5.1
+0.9
Stuart 101.82 Scott 57 -0.5
Laurino 127.7 Harrison 68.16 +0.3
Robert 142.1 Kleissler 119.46 -0.3
Jeff 77.22 Zach 136.02 -0.1
-0.1
If winner is:HomeAway
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Harry vs Tommy-9.1+9.1
-1.0+1.0
Harrison vs Kleissler-1.1+1.1
Robert vs Scott-0.6+0.6
Jeff vs Owen-0.5+0.5
+0.1-0.1
Laurino vs Patton+0.4-0.4
Zach vs Stuart+0.3-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
107-0In62334087,749
96-198.9%1341351110597,721
85-261.70421372891001,791,075
74-33.9004173230143002,984,604
63-40.000213303417302,986,775
52-5Out002143736101,791,366
41-6Out0083953597,442
30-7Out00118987,604
Total:17.4%1358911121213119510,924,336
Games Above .500
Chance Will Make Playoffs