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*Chance in playoffs100.0*Average seed
Robert Griffin 99.38 North Remembers 77.18 +15.8
+1.1
Brady's Bombers 71.36 Connor's Conque 76.94 -3.3
-0.2
Short Shorters 68.48 Belicheckurself 80.08 -2.6
-0.1
Chip Chip Chipa 80.5 Devastating Dales 79.98 -2.5
-0.1
Anal Conquistad 82.48 deathrowministry 133.72 +1.8
TouchDowns Synd 85.8 JPP You're A Fi 88.82 -0.9
-0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Belicheckurself 81.8 Robert Griffin 69.64 -14.3
-1.0
deathrowministry 113.52 North Remembers 173.16 -2.9
JPP You're A Fi 154 Connor's Conque 112.72 +2.3
Chip Chip Chipa 74.96 Anal Conquistad 80.98 +2.2
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Robert Griffin vs Chip Chip ChipaIn-23.4
+1.2-1.2
TouchDowns Synd vs Anal Conquistad+12.8-12.8
+0.2-0.2
Connor's Conque vs deathrowministry-9.6+9.6
Devastating Dales vs Belicheckurself+8.2-8.2
+0.2-0.2
Short Shorters vs North Remembers+0.2-0.2

What If

Chances based on how well the Robert Griffin finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In20503014,141,851
70-153.1%01439361114,148,885
Total:76.6%1025222018528,290,736
Games Above .500
Chance Will Make Playoffs