How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Destry 138.64 Jamal 114.22 Out
+0.1
Jared 115.04 Jason 73.76 Out
Ryan 101.3 Marla 90.94 Out
-0.6
Shawn 123.26 Robert 101.12 Out
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Shawn 92.08 Marla 131.84 +0.3
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Jared vs Marla-0.5+0.5
Rob vs Ryan+0.3-0.3
Shawn vs Jamal+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out4554112,860,603
30-1Out495112,857,341
Total:Out23522625,717,944
Games Above .500
Chance Will Make Playoffs