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
Luke 125.36 Gravy 99.64 -31.1
-0.9
Kashif 142.04 Niphon 108.4 -3.8
-0.1
Chris 112.02 Dan 93.08 +3.5
+0.1
Blake 84.04 Faisal 103.22 +1.8
+0.1
Brian 113.82 Josh 90.16 -0.4
-0.0
Brad 87.28 Jon 140.28 -0.4
-0.0
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Niphon 101.8 Gravy 65.9 -22.7
-0.7
Blake 80.6 Luke 123.24 +12.8
+0.2
Dan 119.46 Faisal 110.52 -9.2
-0.3
Kashif 131.94 Brad 83 -5.8
-0.1
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Blake vs NiphonOut+0.3
-0.1+0.3
Dan vs JoshOut+0.3
Brad vs GravyOut+0.1
-0.3+0.1
Luke vs Faisal-0.2+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
61-00.2%0198142,919,840
50-1Out792122,656,392
Total:0.1%01380765,576,232
Games Above .500
Chance Will Make Playoffs