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
BenF 96.4 Mitch 101 -19.6
-1.0
Ryan 105.9 Kyle 70.9 +4.3
+0.1
John 96 BenG 53.9 +3.6
+0.1
Phil 70 Jaylen 74 -2.7
-0.2
Derek 100.5 Manj 60.2 -1.3
AndrewL 80.9 AndrewF 99.6 +1.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Derek 123.1 BenF 67 -19.8
-1.0
BenG 80.4 Phil 73 -4.5
-0.2
Kyle 101.5 Jaylen 73.7 -1.8
Mitch 100.6 AndrewL 120.7 -1.7
Manj 113 John 59.5 -1.7
AndrewF 70.1 Ryan 92.1 +1.3
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
John vs BenF-1.1+1.1
AndrewF vs Kyle-0.4+0.4
Jaylen vs BenG-0.4+0.4
Ryan vs Mitch-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-0Out253725128,999,050
50-1Out50509,000,494
Total:Out121913312517,999,544
Games Above .500
Chance Will Make Playoffs