How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
JP 86.2 Justy 88.2 -16.6
-0.7
Cole 125.5 Dozza 104.2 -3.7
-0.1
Michael 112.1 Jaylen 66.4 -3.1
Derek 98.1 Jones 129.7 +1.3
John 97.7 Shaun 97.2 +0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Dozza 74.2 JP 97.5 +6.4
+0.5
Jones 114 Cole 106.6 +1.9
Shaun 72.6 Michael 99.2 +0.6
+0.1
Derek 126 John 70.4 +0.5
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Jones vs JPOut+20.8
-0.6+0.6
Shaun vs Derek-4.2+4.2
-0.3+0.3
Jaylen vs Dozza-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
61-041.7%42421717,354,421
50-1Out21582117,368,319
Total:20.8%2131381034,722,740
Games Above .500
Chance Will Make Playoffs