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
Brad 76.48 Jon 116.76 -11.5
-0.9
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
Brad vs Chris+11.0-11.0
+0.9-0.9
Jon vs James+0.6-0.6
Gravy vs Faisal-0.4+0.4
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
109-0In77211019,653
98-1In38451520158,109
87-2100.0%5253924610632,775
76-389.201723342591001,477,345
65-417.5003142931185102,211,977
54-50.1001926362352,211,806
43-6Out0021342431,472,969
32-7Out011584632,315
21-8Out0298158,297
10-9Out010019,490
Total:28.0%134678910111214168,994,736
Games Above .500
Chance Will Make Playoffs