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
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Justin vs AJ-10.7+10.7
-0.9+0.9

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
1212-0In1002,422
1111-1In982015,927
1010-2In83161088,062
99-3In424313200293,481
88-4100.0%52537247100658,881
77-586.3016213227112001,055,090
66-615.0002122832196101,230,095
55-70.0001826372351,054,606
44-8Out002154440659,389
33-9Out011881292,758
22-10Out039787,933
11-11Out010016,022
00-12Out1002,478
Total:39.5%56678899101011125,457,144
Games Above .500
Chance Will Make Playoffs