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
John 97.7 Shaun 97.2 +19.8
+0.9
JP 86.2 Justy 88.2 +3.4
+0.1
Cole 125.5 Dozza 104.2 -2.9
-0.1
Michael 112.1 Jaylen 66.4 -2.9
-0.1
Derek 98.1 Jones 129.7 +1.0
+0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Derek 126 John 70.4 -12.1
-1.0
Shaun 72.6 Michael 99.2 +3.8
-0.1
Dozza 74.2 JP 97.5 -1.4
+0.1
Jones 114 Cole 106.6 +0.3
+0.1
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Cole vs John-20.8In
-1.1+1.1
Shaun vs Derek-8.3+8.3
Jones vs JP+8.3-8.3
+0.1-0.1
Justy vs Michael+0.1-0.1
Jaylen vs Dozza+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
71-0In316344717,361,010
60-158.4%5833817,361,730
Total:79.2%2817232917434,722,740
Games Above .500
Chance Will Make Playoffs