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
AndrewL 80.9 AndrewF 99.6 +3.7
+1.1
Ryan 105.9 Kyle 70.9 +1.2
-0.3
Phil 70 Jaylen 74 -0.1
-0.1
Derek 100.5 Manj 60.2 -0.1
BenF 96.4 Mitch 101 +0.1
John 96 BenG 53.9 -0.3
Week of 11/24100.0*Chance in playoffs100.0*Average seed
AndrewF 70.1 Ryan 92.1 -2.5
-0.5
Mitch 100.6 AndrewL 120.7 -2.1
-0.1
Kyle 101.5 Jaylen 73.7 +1.6
+0.1
Manj 113 John 59.5 +1.6
+0.1
Derek 123.1 BenF 67 +1.3
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
AndrewF vs Kyle+71.7Out
+3.6-0.4
John vs BenF+2.0-3.1
-0.5+0.8
Ryan vs Mitch-2.0+1.1
-0.3+0.1
Jaylen vs BenG-2.0+0.6
-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-079.8%8012536,130,484
50-1Out25156054,300,116
Total:8.1%81123135460,430,600
Games Above .500
Chance Will Make Playoffs