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
Tim 72 Ed 17 +7.9
+0.9
Marianna 50 Tyler 48 -0.3
-0.1
Drew 47 Tom 48 -0.2
Wil 42 Jerry 44 +0.2
+0.0
Greg 71 Rachel 46 -0.1
AM 59 Grace 65 -0.1
Week of 11/21100.0*Chance in playoffs100.0*Average seed
Wil 61 Tom 49 -1.1
+0.1
Greg 77 Grace 41 -0.6
+0.1
AM 81 Tyler 54 -0.2
-0.1
Marianna 76 Lori 62 -0.1
-0.1
If winner is:HomeAway
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Wil vs Tim-1.4+1.1
AM vs Lori-0.2+0.3
Marianna vs Jerry-0.4+0.1
Rachel vs Grace+0.3-0.1
Greg vs Tyler-0.1+0.3

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567891011121314Count
81-0-0In78184035,328,973
70-1-0In1103037183026,388,047
Total:In4515151681061,717,020
Games Above .500
Chance Will Make Playoffs