How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 10/7100.0*Chance in playoffs100.0*Average seed
Brad vs RJ+7.3-7.3
+0.7-0.7
Harm vs Josh-0.2+0.2
If winner is:HomeAway
Week of 10/14100.0*Chance in playoffs100.0*Average seed
Brad vs Brian+7.3-7.3
+0.7-0.7
Vern vs Luke-0.2+0.2
Harm vs RJ-0.1+0.1
CL vs Dumas-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
1010-0In7820104,534
99-1In30462140037,706
88-299.7%214353314300169,125
77-375.601103034195100451,795
66-45.4005213627910789,031
55-50.00042039297946,691
44-6Out001114246789,268
33-7Out011485450,106
22-8Out0298168,891
11-9Out010037,351
00-10Out1004,630
Total:15.5%01234579111418273,849,128
Games Above .500
Chance Will Make Playoffs