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
Kellen 78.52 Tom 58.48 -10.7
-0.9
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Tom vs Harry+8.8-8.8
+0.8-0.8
Kellen vs Josh+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1212-0In10004,282
1111-1In955014,020
1010-2In702730098,903
99-3In264524500415,872
88-499.8%2143433143001,170,562
77-582.3003153231153002,342,257
66-616.0002133133174003,399,839
55-70.10031433341423,606,488
44-8Out0052644242,782,112
33-9Out00330671,518,601
22-10Out00792557,803
11-11Out199123,460
00-12Out10015,625
Total:26.0%1245689111213141516,049,824
Games Above .500
Chance Will Make Playoffs