How are these numbers calculated?

Big Games

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

Week of 10/12100.0*Chance in playoffs100.0*Champ100.0*Average seed
Duffman Shandy 65.84 Shit Shovelers 89.36 -8.0
-1.5
-0.9
Commando Clowns 55.72 Leon's Deep Sle 105.84 -0.8
-0.3
Dances with Tot 109.22 Ronald Ollie's 62.62 -0.6
-0.2
Davy Potters Fa 95.46 1-6 I Like Twix 96.9 -0.2
-0.1
If winner is:HomeAway
Week of 10/19100.0*Chance in playoffs100.0*Champ100.0*Average seed
No1 Harsent vs Duffman Shandy-6.7+6.7
-0.8+0.8
-0.9+0.9
1-6 I Like Twix vs Commando Clowns-0.5+0.5
-0.1+0.1
Leon's Deep Sle vs San Franciscan-0.5+0.5
-0.1+0.1
Shit Shovelers vs Davy Potters Fa+0.3-0.3
Los Amigos Kidn vs Ronald Ollie's-0.2+0.2
Liverpool Lemurs vs Dances with Tot-0.2+0.2
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-LplayoffsChamp123456789101112Count
108-0In65.8%66304015,339
97-198.6%17.91841301010114,947
86-265.60.5162435258100402,998
75-34.80.0000418332912200805,737
64-40.0No00213303318401,008,679
53-5OutNo00213343713806,493
42-6OutNo0063558403,815
31-7OutNo0991115,243
20-8OutNo19915,085
Total:11.7%0.9%1245791011121313133,688,336
Games Above .500
Chance Will Make Playoffs