How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Justin 117.72 Erica 70.68 +20.2
+0.9
Laurel 94.74 Jenn 97.14 -5.4
-0.2
Ethan 111.1 Shawn 96.48 +2.2
+0.1
Shara 71.8 Tom H 63.14 -1.8
-0.1
Tom K 52.98 Riley 68.8 -1.2
-0.0
Dave 93.34 Eric 88.58 -1.1
-0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Justin vs Tom K+7.2-18.7
+0.4-1.0
Erica vs Ethan-3.8+1.4
Laurel vs Riley+0.8-1.6
-0.1+0.1
Jenn vs Eric-1.6+0.6
-0.3+0.1
Shara vs Shawn+0.6-0.8
-0.0+0.1
Dave vs Tom H-0.4+0.8

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
82-0In230608014,963,721
71-197.8%238411820016,777,056
60-237.95333720504,248,239
Total:91.6%113432312521035,989,016
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 11/17100.0*Lottery seed
Justin 117.72 Erica 70.68 -0.9
Laurel 94.74 Jenn 97.14 +0.2
Shara 71.8 Tom H 63.14 +0.1
Dave 93.34 Eric 88.58 +0.1
Ethan 111.1 Shawn 96.48 -0.1
Tom K 52.98 Riley 68.8 +0.0
If winner is:HomeAway
Week of 11/24100.0*Lottery seed
Justin vs Tom K-0.4+1.0
Jenn vs Eric+0.3-0.1
Laurel vs Riley+0.1-0.1
Shara vs Shawn+0.0-0.1

What If

100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112
82-02306080
71-12384118200
60-2533372050
Total:1134323125210