How are these numbers calculated?

Big Games

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

Week of 10/3100.0*Chance in playoffs100.0*Average seed
Josh 77.86 Niphon 108.61 +11.8
+0.9
Brad 76.48 Jon 116.76 +0.3
Blake 105.94 Gravy 127.4 +0.3
Chris 80.55 Faisal 139.58 +0.3
If winner is:HomeAway
Week of 10/10100.0*Chance in playoffs100.0*Average seed
Luke vs Niphon-13.1+13.1
-1.0+1.0
Jon vs James+0.7-0.7
Gravy vs Faisal-0.5+0.5
Brad vs Chris+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
119-0In946019,555
108-1In722620158,108
97-2In334619300631,476
86-3100.0%321382891001,476,104
75-486.2005193328122002,209,838
64-514.2002122732206102,213,522
53-60.1001723362661,477,117
42-7Out001124046631,811
31-8Out011386157,624
20-9Out19919,581
Total:50.1%479101010101098768,994,736
Games Above .500
Chance Will Make Playoffs