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 -4.9
-0.8
Stuart 101.82 Scott 57 -0.6
Laurino 127.7 Harrison 68.16 +0.4
Robert 142.1 Kleissler 119.46 -0.2
Harry 76.02 Patton 107.02 -0.1
Jeff 77.22 Zach 136.02 -0.1
If winner is:HomeAway
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Jeff vs Owen-3.7+3.7
-0.8+0.8
Harrison vs Kleissler-0.5+0.5
Laurino vs Patton+0.3-0.3
+0.1-0.1
Zach vs Stuart+0.2-0.2
Robert vs Scott-0.2+0.2
Harry vs Tommy+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
97-099.0%134235101087,309
86-166.6052438257100596,686
75-25.3005203427112001,791,942
64-30.000314313316302,984,982
53-4Out002143737112,986,993
42-5Out00638561,790,089
31-6Out0991598,233
20-7Out19988,102
Total:5.3%0123578111315181810,924,336
Games Above .500
Chance Will Make Playoffs