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 75.45 Kashif 95.29 -0.1
-0.2
Gravy 68.77 Luke 81.7 -0.1
Dan 64.26 Jon 66.84 -0.1
-0.1
Blake 58.78 Niphon 88.19 +0.1
Faisal 95.41 Josh 117.3 -0.3
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Gravy 122.07 Brad 93.51 -0.7
Josh 121.58 Chris 92.01 -0.2
Blake 83.45 James 90.24 +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 Brad finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out97318,143,075
30-1Out623861,583,549
Total:Out703079,726,624
Games Above .500
Chance Will Make Playoffs