How are these numbers calculated?

Big Games

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

Week of 10/15100.0*Chance in playoffs100.0*Average seed
Zack 161.67 Stu 150.36 +12.7
+1.0
OB 164.6 Ry 172.54 +1.0
+0.1
Thor 147.36 Rob 178.33 +0.5
Jimmy 136.17 Luke 126.17 -0.5
Trev 110.7 Carson 137.73 +0.5
If winner is:HomeAway
Week of 10/22100.0*Chance in playoffs100.0*Average seed
Zack vs Rob+10.7-10.7
+0.9-0.9
Rich vs Carson-0.8+0.8
Eli vs Ry-0.6+0.6
-0.1+0.1
Trev vs Luke-0.6+0.6
Stu vs OB+0.4-0.4
Thor vs Jimmy+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
117-0In982077,105
106-1In772120526,926
95-2In3144213001,580,270
84-3100.0%3183631111002,631,258
73-485.9005193329122002,634,134
62-517.6003142931174001,584,018
51-60.1002102936194527,241
40-7Out0217443776,976
Total:76.3%1113151413118643109,637,928
Games Above .500
Chance Will Make Playoffs