How are these numbers calculated?

Big Games

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

Week of 9/10100.0*Chance in playoffs100.0*Average seed
Garrett 101.58 AJ 68.34 -10.7
-0.9
Jason 134.24 Justin 80.94 -0.1
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Justin vs AJ-8.8+8.8
-0.8+0.8

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1212-0In1004,252
1111-1In955014,017
1010-2In70273098,959
99-3In264524500415,986
88-499.8%2143433143001,171,619
77-582.4003163231153002,343,521
66-616.2002143133164003,397,770
55-70.10031533331423,606,958
44-8Out0062644242,782,144
33-9Out00430671,519,249
22-10Out0792556,340
11-11Out199123,064
00-12Out10015,945
Total:26.1%1245689111213141516,049,824
Games Above .500
Chance Will Make Playoffs