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
Mark 113.28 Harry 80.8 -10.7
-0.9
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Tom vs Harry-10.7+10.7
-0.9+0.9

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1212-0In1002,515
1111-1In98216,068
1010-2In83161087,901
99-3In42431310293,146
88-4100.0%62537247100659,916
77-586.4016213226112001,055,783
66-615.2002132831196101,228,066
55-70.0001826372351,054,372
44-8Out002154440659,161
33-9Out011881293,808
22-10Out039787,853
11-11Out010016,054
00-12Out1002,501
Total:39.6%56678899101011125,457,144
Games Above .500
Chance Will Make Playoffs