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
Jeff 77.22 Zach 136.02 -2.7
-0.3
Stuart 101.82 Scott 57 -0.2
Laurino 127.7 Harrison 68.16 +0.2
Robert 142.1 Kleissler 119.46 -0.1
If winner is:HomeAway
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Jeff vs Owen+8.1-8.1
+0.5-0.5
Harrison vs Kleissler-1.1+1.1
-0.1+0.1
Laurino vs Patton+0.8-0.8
Robert vs Scott-0.5+0.5
Zach vs Stuart+0.2-0.2
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
137-0In10087,448
126-1In9730597,531
115-2In8218001,790,450
104-3100.0%434710002,985,932
93-498.063342172002,987,467
82-545.902123235163001,791,851
71-61.20017223626710596,287
60-7Out00314343612187,370
Total:84.4%332516107422100010,924,336
Games Above .500
Chance Will Make Playoffs