How are these numbers calculated?

Big Games

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

Week of 10/19100.0*Chance in playoffs100.0*Average seed
Jeff 77.22 Zach 136.02 +2.8
+1.0
Stuart 101.82 Scott 57 -0.2
+0.0
Laurino 127.7 Harrison 68.16 +0.1
If winner is:HomeAway
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Zach vs Stuart+12.6-5.6
+1.0-0.4
Harrison vs Kleissler-0.9+3.2
-0.0+0.1
Laurino vs Patton+0.9-2.2
+0.0-0.1
Robert vs Scott-0.4+0.6
Jeff vs Owen+0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
107-099.8%5404780145,526
96-189.104394510001,340,329
85-242.00053743141004,970,491
74-34.4042742224009,288,724
63-40.00113353514209,599,070
52-5Out002194031705,546,814
41-6Out0053451101,671,959
30-7Out13960210,095
Total:11.7%0039151817151184132,773,008
Games Above .500
Chance Will Make Playoffs