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 +10.9
+0.8
Blake 105.94 Gravy 127.4 +1.1
Chris 80.55 Faisal 139.58 +0.7
Brad 76.48 Jon 116.76 +0.6
+0.0
Dan 137.39 James 69.97 +0.1
If winner is:HomeAway
Week of 10/10100.0*Chance in playoffs100.0*Average seed
Luke vs Niphon-13.1+13.1
-0.7+0.7
Jon vs James+1.0-2.6
+0.0-0.1
Gravy vs Faisal-1.5+0.4
-0.1+0.0
Brad vs Chris+0.9-0.6
Blake vs Dan-0.7+0.3
Kashif vs Josh-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
119-0In47467057,362
108-1In11454040495,212
97-2In1145230202,042,529
86-399.9%012051243004,767,009
75-492.50219423070006,958,165
64-540.201930381830006,591,032
53-62.100214333315304,083,663
42-70.0003173633101,592,901
31-8Out0183754356,207
20-9Out0079340,128
Total:61.3%0291718161310753126,984,208
Games Above .500
Chance Will Make Playoffs