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
Jones 118.2 Jaylen 131.2 +23.8
+0.9
Eric 118.7 Shaun 114.6 -2.5
-0.1
Dozza 121.6 Mike 137.8 +2.4
+0.1
JP 111.5 Cole 93.6 +1.5
+0.1
John 122.7 Derek 82.9 -0.8
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Jaylen vs Eric+21.2-21.2
+0.8-0.8
Dozza vs Jones+6.9-6.9
+0.1-0.1
Cole vs Derek+1.4-1.4
+0.1-0.1
Shaun vs John+1.4-1.4
+0.2-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
72-0In712916,112,049
61-190.3%531541012,209,348
50-221.121453046,110,143
Total:75.4%202333168124,431,540
Games Above .500
Chance Will Make Playoffs