How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Chance in playoffs100.0*Average seed
Wil 42 Jerry 44 -19.2
-1.6
Marianna 50 Tyler 48 -1.0
-0.1
Tim 72 Ed 17 +1.0
Greg 71 Rachel 46 -0.6
Week of 11/21100.0*Chance in playoffs100.0*Average seed
Wil 61 Tom 49 +28.2
+1.9
Greg 77 Grace 41 -4.2
-0.1
AM 81 Tyler 54 -2.9
-0.1
Jess 56 Jerry 49 -2.8
-0.2
Marianna 76 Lori 62 +1.1
Rachel 57 Ed 83 -0.3
If winner is:HomeAway
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Wil vs TimIn-44.2
+2.1-2.1
Drew vs Ed-3.5+3.5
-0.1+0.1
AM vs Lori+3.2-3.2
+0.1-0.1
Jess vs Tom+1.7-1.7
Greg vs Tyler-0.3+0.3
Rachel vs Grace+0.2-0.2
Marianna vs Jerry-0.2+0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567891011121314Count
71-0-0In1719292714310,931,449
60-1-011.7%1104239810,927,275
Total:55.9%1391413872119421,858,724
Games Above .500
Chance Will Make Playoffs