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
John 96 BenG 53.9 +1.7
-0.2
Ryan 105.9 Kyle 70.9 +1.4
-0.2
Phil 70 Jaylen 74 +1.0
+0.4
Derek 100.5 Manj 60.2 -0.7
BenF 96.4 Mitch 101 +0.4
+0.1
AndrewL 80.9 AndrewF 99.6 +0.4
-0.3
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Kyle 101.5 Jaylen 73.7 -12.0
-0.4
BenG 80.4 Phil 73 -2.2
-0.0
Manj 113 John 59.5 +1.8
+0.1
Derek 123.1 BenF 67 +1.5
+0.1
AndrewF 70.1 Ryan 92.1 -1.3
+0.1
Mitch 100.6 AndrewL 120.7 -0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
AndrewF vs Kyle+2.1Out
-0.8+0.1
Jaylen vs BenG+0.8Out
+1.1-0.3
Ryan vs Mitch+0.4Out
-0.5+0.3
John vs BenFOut+0.4

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-01.1%195413,420,814
50-1Out5739447,009,786
Total:0.2%0214531360,430,600
Games Above .500
Chance Will Make Playoffs