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 -11.9
-1.0
Chris 80.55 Faisal 139.58 +0.3
Blake 105.94 Gravy 127.4 +0.3
Brad 76.48 Jon 116.76 +0.3
If winner is:HomeAway
Week of 10/10100.0*Chance in playoffs100.0*Average seed
Kashif vs Josh-11.1+11.1
-0.9+0.9
Jon vs James+0.6-0.6
Gravy vs Faisal-0.4+0.4
Brad vs Chris+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
109-0In85141019,703
98-1In44421210157,431
87-2100.0%62838225100632,763
76-390.601825342381001,476,475
65-419.9004163030164002,213,480
54-50.10021028352142,209,855
43-6Out0021543401,476,659
32-7Out011783631,175
21-8Out0298157,910
10-9Out010019,285
Total:28.8%134678910111213158,994,736
Games Above .500
Chance Will Make Playoffs