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
Derek 98.1 Jones 129.7 -2.3
-0.3
Cole 125.5 Dozza 104.2 -2.0
JP 86.2 Justy 88.2 +0.8
Michael 112.1 Jaylen 66.4 -0.4
-0.1
John 97.7 Shaun 97.2 -0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Derek 126 John 70.4 +11.7
+0.9
Shaun 72.6 Michael 99.2 +2.6
-0.1
Jones 114 Cole 106.6 +0.9
+0.1
Dozza 74.2 JP 97.5 -0.3
+0.1
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Shaun vs Derek-1.0+0.5
Justy vs Michael+0.4-0.1
Jaylen vs Dozza+0.4-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
81-0In44381869,326,696
70-1In215424238,700,724
Total:In29292715108,027,420
Games Above .500
Chance Will Make Playoffs