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 -11.8
-0.9
Ryan 105.9 Kyle 70.9 +2.1
+0.1
Derek 100.5 Manj 60.2 -1.8
-0.2
BenF 96.4 Mitch 101 +1.7
Phil 70 Jaylen 74 -1.4
-0.1
AndrewL 80.9 AndrewF 99.6 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
BenG 80.4 Phil 73 +18.5
+1.0
Manj 113 John 59.5 +4.0
+0.2
AndrewF 70.1 Ryan 92.1 +3.3
+0.1
Kyle 101.5 Jaylen 73.7 +2.9
+0.1
Derek 123.1 BenF 67 +1.9
Mitch 100.6 AndrewL 120.7 -1.5
-0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Jaylen vs BenG-0.9+0.9
Ryan vs Mitch+0.4-0.4
AndrewL vs Derek+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In2525508,999,595
70-1In1008,999,949
Total:In1312255017,999,544
Games Above .500
Chance Will Make Playoffs