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 +12.5
+1.4
Wil 42 Jerry 44 +0.8
+0.1
Marianna 50 Tyler 48 -0.8
-0.1
Greg 71 Rachel 46 -0.3
Drew 47 Tom 48 -0.2
AM 59 Grace 65 -0.1
Jess 48 Lori 51 +0.1
Week of 11/21100.0*Chance in playoffs100.0*Average seed
Wil 61 Tom 49 -1.2
+0.1
AM 81 Tyler 54 -0.8
-0.2
Greg 77 Grace 41 -0.7
+0.1
Marianna 76 Lori 62 +0.4
-0.1
If winner is:HomeAway
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Wil vs Tim-1.2+1.2
AM vs Lori-0.3+0.3
Marianna vs Jerry-0.3+0.3
Rachel vs Grace+0.2-0.2
Greg vs Tyler-0.2+0.2

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
81-0-0In85123010,927,275
70-1-0In3163130154010,931,449
Total:In4414171582021,858,724
Games Above .500
Chance Will Make Playoffs