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*Average seed
Duffman Shandy 65.84 Shit Shovelers 89.36 +0.5
+0.7
Dances with Tot 109.22 Ronald Ollie's 62.62 +0.0
If winner is:HomeAway
Week of 10/19100.0*Chance in playoffs100.0*Average seed
Shit Shovelers vs Davy Potters Fa+1.0-0.7
+0.8-0.5
1-6 I Like Twix vs Commando Clowns-0.1+0.3
+0.0-0.1
Leon's Deep Sle vs San Franciscan-0.1+0.2
+0.0-0.1
Liverpool Lemurs vs Dances with Tot-0.1+0.1
No1 Harsent vs Duffman Shandy+0.0-0.1

What If

Chances based on how well the Shit Shovelers finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-LplayoffsChamp123456789101112Count
108-099.7%22.3%224428604,761
97-176.10.4062842213041,030
86-220.3No02184132600274,140
75-30.9No011139399101,024,659
64-40.0No0073339183002,294,350
53-5OutNo0031837311013,170,851
42-6OutNo0183146152,639,378
31-7OutNo0440561,215,040
20-8OutNo01288240,007
Total:0.9%0.0%00012612151618191210,904,216
Games Above .500
Chance Will Make Playoffs