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 -16.1
-0.5
James 93.34 Chris 97.62 +1.0
+0.1
Dan 64.26 Jon 66.84 -0.6
-0.2
Faisal 95.41 Josh 117.3 +0.4
Blake 58.78 Niphon 88.19 +0.0
Brad 75.45 Kashif 95.29 +0.0
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Gravy 122.07 Brad 93.51 +5.4
+0.8
Luke 126.35 Niphon 93.97 -2.2
Dan 104.1 Kashif 107.42 +1.3
+0.0
Blake 83.45 James 90.24 -0.4
-0.1
Josh 121.58 Chris 92.01 -0.4
-0.3
Jon 127.34 Faisal 130.85 +0.3
+0.1
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Niphon vs Dan+4.7Out
+0.1-0.1
Blake vs GravyOut+4.5
-1.2+0.6
Kashif vs Josh+0.7-3.4
+0.1-0.5
Jon vs James-0.4+0.4

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
61-013.0%134438652,186,209
50-1Out17493527,540,415
Total:8.5%92930211279,726,624
Games Above .500
Chance Will Make Playoffs