How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/19100.0*Chance in playoffs100.0*Average seed
Kashif 87.54 Jon 101.54 +2.7
+0.5
Josh 110.38 Gravy 80.02 +0.4
+0.1
Luke 110.1 Chris 117.72 +0.2
-0.0
Niphon 104.22 Brian 119.16 -0.1
-0.0
Brad 92.76 Faisal 127.2 -0.1
If winner is:HomeAway
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Jon vs Gravy+0.5-1.3
+0.2-0.6
Kashif vs Faisal-0.1+0.0
Blake vs Josh-0.0+0.1
Brad vs Brian+0.1-0.0
Niphon vs Chris+0.2-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
127-0In1002,028,676
116-1In831706,536,445
105-2In375210008,482,051
94-3100.0%43343172005,702,144
83-499.6031940317002,134,827
72-575.9006284121300439,824
61-613.501123336152045,234
50-70.001832441507,015
Total:99.4%43301584100000025,376,216
Games Above .500
Chance Will Make Playoffs