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
San Franciscan vs Commando Clowns+12.5-12.5
+2.0-2.0
+1.0-1.0
Los Amigos Kidn vs Dances with Tot-0.4+0.4
+0.1-0.1
Ronald Ollie's vs No1 Harsent+0.4-0.4
+0.3-0.3
Leon's Deep Sle vs Davy Potters Fa+0.3-0.3
-0.2+0.2
Duffman Shandy vs 1-6 I Like Twix-0.3+0.3
Liverpool Lemurs vs Shit Shovelers-0.3+0.3

What If

Chances based on how well the San Franciscan finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inTopChance will finish regular season at seed
TWW-Lplayoffsseed123456789101112Count
119-0In97.9%9827,972
108-1In74.274242064,988
97-2In22.8234426600258,486
86-399.2%0.6172536247100604,943
75-449.4No00315313116300907,365
64-51.0No001724352571907,814
53-60.0No0017284321604,747
42-7OutNo0032868258,898
31-8OutNo069465,158
20-9OutNo01007,965
Total:37.6%3.2%3567891010111111103,688,336
Games Above .500
Chance Will Make Playoffs