How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Average seed
Chip Chip Chipa 80.5 Devastating Dales 79.98 -0.1
TouchDowns Synd 85.8 JPP You're A Fi 88.82 -0.1
Week of 11/30100.0*Average seed
Short Shorters 91.98 Devastating Dales 96.14 +0.2
JPP You're A Fi 154 Connor's Conque 112.72 -0.1
deathrowministry 113.52 North Remembers 173.16 +0.1
If winner is:HomeAway
Week of 12/7100.0*Average seed
JPP You're A Fi vs Brady's Bombers-0.1+0.1
Devastating Dales vs Belicheckurself+0.1-0.1

What If

Chances based on how well the Devastating Dales finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
111-0In10014,144,682
100-1In722814,146,054
Total:In861428,290,736
Games Above .500
Chance Will Make Playoffs