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
Chris 76.7 Gravy 108 +9.6
+0.7
Blake 100.8 Faisal 90.6 +2.7
Josh 89.2 Niphon 66.9 -1.3
Bradley 80.1 Andy 136.7 -0.6
Dan 124.3 Jon 82.7 +0.6
-0.1
Kashif 109 James 101.1 -0.3
-0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Kashif 110.2 Gravy 128 +0.6
James 115.8 Josh 108.9 -0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Josh vs Gravy-0.8+0.8
Faisal vs Dan+0.2-0.2
James vs Niphon-0.2+0.2
Bradley vs Blake+0.2-0.2
Kashif vs Andy-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In1236381413,503,586
80-1In13622413,500,742
Total:In61826381227,004,328
Games Above .500
Chance Will Make Playoffs