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
Marianna 50 Tyler 48 -9.3
-1.0
Wil 42 Jerry 44 +0.7
+0.1
AM 59 Grace 65 +0.3
Greg 71 Rachel 46 -0.3
Tim 72 Ed 17 +0.1
+0.1
Week of 11/21100.0*Chance in playoffs100.0*Average seed
AM 81 Tyler 54 Out
-0.6
Rachel 57 Ed 83 Out
Wil 61 Tom 49 Out
-0.1
Marianna 76 Lori 62 +0.1
Jess 56 Jerry 49 -0.1
If winner is:HomeAway
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Rachel vs Grace-0.2+0.2
Greg vs Tyler-0.2+0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567891011121314Count
41-0-0Out455510,929,164
30-1-0Out10010,929,560
Total:Out227821,858,724
Games Above .500
Chance Will Make Playoffs