How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 10/5100.0*Chance in playoffs100.0*Top seed100.0*Average seed
Duffman Shandy vs 1-6 I Like Twix-12.2+12.2
-1.5+1.5
-0.8+0.8
Leon's Deep Sle vs Davy Potters Fa+0.7-1.1
-0.2+0.3
San Franciscan vs Commando Clowns-0.5+0.6
Los Amigos Kidn vs Dances with Tot-0.4+0.2
+0.2-0.1
Liverpool Lemurs vs Shit Shovelers+0.2-0.4
-0.3+0.7
Ronald Ollie's vs No1 Harsent+0.3-0.1
+0.5-0.2

What If

Chances based on how well the 1-6 I Like Twix finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inTopChance will finish regular season at seed
TWW-Lplayoffsseed123456789101112Count
1210-0In95.1%955013,490
119-1In72.2722620115,940
108-2In28.3284721300522,555
97-3100.0%2.932040308001,384,783
86-497.20.00182940193002,374,692
75-551.2No002143635132002,756,502
64-63.6No0031937309102,196,547
53-70.0No01726392341,187,880
42-8OutNo02174536416,952
31-9OutNo01188185,319
20-10OutNo19910,348
Total:52.7%2.6%3581113141311975311,065,008
Games Above .500
Chance Will Make Playoffs