How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Brad 87.28 Jon 140.28 +1.7
+0.3
Luke 125.36 Gravy 99.64 +1.0
+0.1
Chris 112.02 Dan 93.08 +0.4
-0.0
Kashif 142.04 Niphon 108.4 -0.3
Blake 84.04 Faisal 103.22 +0.2
Brian 113.82 Josh 90.16 -0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Brian 100.82 Jon 168.04 +0.8
Dan 119.46 Faisal 110.52 +0.3
Chris 182.1 Josh 98.02 -0.0
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Chris vs Jon-0.5+0.7
Kashif vs Brian+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In100026,449,135
90-1In8316139,127,097
Total:In405010065,576,232
Games Above .500
Chance Will Make Playoffs