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
Ronald Ollie's vs No1 Harsent-7.2+3.1
-11.0+4.7
-0.8+0.4
Leon's Deep Sle vs Davy Potters Fa+0.3-0.4
-1.4+2.2
San Franciscan vs Commando Clowns-0.2+0.3
-0.1+0.1
Los Amigos Kidn vs Dances with Tot-0.3+0.2
+3.3-1.8
+0.1-0.0
Liverpool Lemurs vs Shit Shovelers-1.3+2.8
-0.0+0.1
Duffman Shandy vs 1-6 I Like Twix-0.1+0.1

What If

Chances based on how well the No1 Harsent finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inTopChance will finish regular season at seed
TWW-Lplayoffsseed123456789101112Count
129-0In99.2%991156,841
118-1In89.389110859,719
107-2In54.955396002,102,897
96-3In13.31343358002,959,784
85-4100.0%0.4073242162002,646,117
74-589.2No0114393510101,559,837
63-617.2No021538331010605,869
52-70.1No02153934101149,144
41-8OutNo0425482321,241
30-9OutNo123753,559
Total:92.4%22.4%2222181410642110011,065,008
Games Above .500
Chance Will Make Playoffs