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
Kashif 115.25 David 131.3 In
+0.7
Sunny 65.03 JonA 100 +0.6
-0.1
JonN 137.98 John 91.65 +0.4
+0.1
Evan 77.03 Jimmy 76.3 +0.3
Faisal 103.2 Matt 90.93 +0.2
+0.2
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 -0.6
Sunny 97.48 Salman 128.8 -0.1
Young 82 Matt 111.55 -0.1
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
JonN vs David-0.7+0.7
Sunny vs Matt+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In39592014,140,639
80-1In19493214,150,097
Total:In1939261628,290,736
Games Above .500
Chance Will Make Playoffs