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
Shit Shovelers 73.46 1-6 I Like Twix 71.9 +2.3
+0.8
Duffman Shandy 83.2 Los Amigos Kidn 129.28 +0.7
Dances with Tot 91 San Franciscan 112.28 -0.7
-0.1
Davy Potters Fa 102.06 Liverpool Lemurs 87.66 -0.4
Commando Clowns 97.96 Ronald Ollie's 83.1 -0.3
+0.1
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Shit Shovelers vs Los Amigos Kidn+2.5-1.9
+1.0-0.8
Ronald Ollie's vs San Franciscan+1.7-0.6
-0.1+0.0
Liverpool Lemurs vs Commando Clowns+0.5-0.9
+0.0-0.1
Duffman Shandy vs Davy Potters Fa+0.4-0.2
-0.2+0.1
1-6 I Like Twix vs No1 Harsent-0.1+0.0
-0.3+0.1
Leon's Deep Sle vs Dances with Tot+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inTopChance will finish regular season at seed
TWW-Lplayoffsseed123456789101112Count
73-045.4%No01103441140803,895
62-15.1No05284420206,965,942
51-2OutNo11440359017,664,751
40-3OutNo326621013,127,220
Total:1.9%No0002715232525338,561,808
Games Above .500
Chance Will Make Playoffs