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
Josh 89.2 Niphon 66.9 +1.3
+0.5
Blake 100.8 Faisal 90.6 +0.5
+0.0
Kashif 109 James 101.1 -0.2
Dan 124.3 Jon 82.7 +0.2
+0.1
Bradley 80.1 Andy 136.7 -0.1
-0.1
Chris 76.7 Gravy 108 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
James 115.8 Josh 108.9 -6.3
-0.4
Chris 82.9 Andy 84.4 +1.6
Niphon 99.6 Faisal 120.3 -1.1
-0.1
Bradley 94.2 Jon 131.9 -0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Josh vs Gravy+8.6Out
+1.3-0.5
Kashif vs Andy+2.6Out
+0.1-0.1
Faisal vs DanOut+1.9
-0.1+0.1
Chris vs Jon+1.0-1.0
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-012.1%1230352324,004,876
50-1Out514958,294,516
Total:3.5%4910433582,299,392
Games Above .500
Chance Will Make Playoffs