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 -8.1
-0.8
OB 164.6 Ry 172.54 +0.7
+0.1
Jimmy 136.17 Luke 126.17 -0.4
Trev 110.7 Carson 137.73 +0.4
Thor 147.36 Rob 178.33 +0.3
If winner is:HomeAway
Week of 10/22100.0*Chance in playoffs100.0*Average seed
Stu vs OB+11.0-11.2
+0.9-0.9
Trev vs Luke-0.7+0.7
Rich vs Carson-0.7+0.6
Zack vs Rob-0.6+0.6
Eli vs Ry-0.5+0.5
-0.1+0.1
Thor vs Jimmy+0.4-0.4

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
117-0In9460266,820
106-1In71273001,752,072
95-2In2745244005,045,167
84-399.9%2163632122008,061,270
73-485.7004183329122007,726,000
62-517.6003143032164004,442,572
51-60.10021231351731,419,870
40-7Out003194533200,013
Total:77.9%11141614131186421028,913,784
Games Above .500
Chance Will Make Playoffs