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
Gravy 68.77 Luke 81.7 +19.5
+0.4
Dan 64.26 Jon 66.84 -2.5
+0.1
James 93.34 Chris 97.62 +2.3
+0.0
Faisal 95.41 Josh 117.3 +0.3
+0.1
Brad 75.45 Kashif 95.29 +0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Luke 126.35 Niphon 93.97 +12.8
+0.8
Jon 127.34 Faisal 130.85 +2.8
-0.1
Blake 83.45 James 90.24 -1.1
Gravy 122.07 Brad 93.51 -0.9
Dan 104.1 Kashif 107.42 +0.6
+0.1
Josh 121.58 Chris 92.01 -0.5
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Brad vs Luke-0.8+0.2
Faisal vs Chris-0.3+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In18583261,583,549
70-1In4643218,143,075
Total:In174640779,726,624
Games Above .500
Chance Will Make Playoffs