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
Davy Potters Fa 95.46 1-6 I Like Twix 96.9 -13.6
-5.0
-1.0
San Franciscan 73.72 Los Amigos Kidn 121 +1.1
+0.3
+0.1
Dances with Tot 109.22 Ronald Ollie's 62.62 -0.6
-0.7
Commando Clowns 55.72 Leon's Deep Sle 105.84 -0.2
-0.1
If winner is:HomeAway
Week of 10/19100.0*Chance in playoffs100.0*Champ100.0*Average seed
Shit Shovelers vs Davy Potters Fa-11.1+11.1
-2.3+2.3
-1.0+1.0
1-6 I Like Twix vs Commando Clowns-0.9+0.9
-0.4+0.4
Leon's Deep Sle vs San Franciscan-0.8+0.8
-0.4+0.4
No1 Harsent vs Duffman Shandy-0.6+0.6
-0.5+0.5
Los Amigos Kidn vs Ronald Ollie's-0.4+0.4
Liverpool Lemurs vs Dances with Tot-0.3+0.3
+0.3-0.3

What If

Chances based on how well the Davy Potters Fa finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-LplayoffsChamp123456789101112Count
118-0In91.4%918015,172
107-1100.0%57.45735700114,641
96-297.913.614373413200403,486
85-359.40.30420352911100809,112
74-43.7No003163231143001,007,557
63-50.0No0021127332050805,353
52-6OutNo00211313916403,014
41-7OutNo0053164114,749
30-8OutNo059515,252
Total:28.3%3.7%468101112111098643,688,336
Games Above .500
Chance Will Make Playoffs