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
Blake 58.78 Niphon 88.19 -0.1
-0.2
Gravy 68.77 Luke 81.7 -0.1
+0.0
Dan 64.26 Jon 66.84 -0.1
James 93.34 Chris 97.62 +0.0
Brad 75.45 Kashif 95.29 +0.0
Faisal 95.41 Josh 117.3 -0.2
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Blake 83.45 James 90.24 -0.7
Josh 121.58 Chris 92.01 -0.2
Gravy 122.07 Brad 93.51 +0.1
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Blake vs Gravy+0.5-0.3
Brad vs Luke-0.3+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out792127,540,415
30-1Out49652,186,209
Total:Out307079,726,624
Games Above .500
Chance Will Make Playoffs