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
-0.5
Shawn 123.26 Robert 101.12 Out
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Shawn 92.08 Marla 131.84 +0.6
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Rob vs Ryan+0.1-0.6
Jared vs Marla-0.2+0.5
Shawn vs Jamal+0.1-0.1

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
41-0Out5049023,285,145
30-1Out851559,014,247
Total:Out14751182,299,392
Games Above .500
Chance Will Make Playoffs