How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Chance in playoffs100.0*Average seed
Duffman Shandy 83.2 Los Amigos Kidn 129.28 -17.6
-0.9
Shit Shovelers 73.46 1-6 I Like Twix 71.9 +4.2
+0.1
Davy Potters Fa 102.06 Liverpool Lemurs 87.66 -2.4
-0.1
Dances with Tot 91 San Franciscan 112.28 -1.4
-0.1
Commando Clowns 97.96 Ronald Ollie's 83.1 -0.4
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Duffman Shandy vs Davy Potters Fa+8.3-4.6
+0.9-0.5
Shit Shovelers vs Los Amigos Kidn+2.8-2.0
-0.1+0.1
1-6 I Like Twix vs No1 Harsent-1.6+0.3
-0.2+0.0
Liverpool Lemurs vs Commando Clowns+0.2-0.4
+0.1-0.2
Ronald Ollie's vs San Franciscan+0.3-0.1
+0.1-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inTopChance will finish regular season at seed
TWW-Lplayoffsseed123456789101112Count
73-081.6%No052551181002,472,093
62-19.7No0103335175011,165,563
51-2OutNo7143643016,687,633
40-3OutNo86148,236,519
Total:8.1%No00261113111737338,561,808
Games Above .500
Chance Will Make Playoffs