How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Sunny 65.03 JonA 100 In
+0.5
Kashif 115.25 David 131.3 +0.4
-0.0
Evan 77.03 Jimmy 76.3 +0.3
JonN 137.98 John 91.65 +0.3
+0.2
Faisal 103.2 Matt 90.93 +0.1
+0.3
Young 113.55 Salman 141.13 -0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
JonA 110.53 David 92.58 +0.7
Young 82 Matt 111.55 -0.1
Sunny 97.48 Salman 128.8 -0.1
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
JonA vs Salman+0.9-1.3
JonN vs David+0.3-0.1
Sunny vs Matt+0.2-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In10044,966,487
90-1In012483932,187,345
Total:In585201677,153,832
Games Above .500
Chance Will Make Playoffs