How are these numbers calculated?

Big Games

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

Week of 11/6100.0*Chance in playoffs100.0*Average seed
Choke A Romo 317.6 MegaTrob 270.05 In
+0.4
Jadeveon 252.9 Professor 192.2 -0.2
-0.0
Cap Challenged 230.9 Tampa Terror 224.32 -0.2
KC_Love 191.85 12th Man 262.33 -0.1
TDs 204.05 Abby's 250.45 -0.1
Bearphins 210.03 Sanchize 330.1 -0.1
End Stags 241.86 Ra's al Ghul 223 -0.1
Week of 11/13100.0*Chance in playoffs100.0*Average seed
Choke A Romo 245.6 End Stags 287.48 -0.6
Abby's 269.75 Professor 279.32 +0.1
Staff 148.35 Sanchize 236.3 -0.1
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Ra's al Ghul 256.04 Choke A Romo 293.56 +0.4
Sanchize 340.29 Cheyenne 241.56 -0.1
Cap Challenged 217.6 12th Man 238.25 -0.0
Jadeveon 292 Abby's 261.2 -0.0
Games Above .500
Chance Will Make Playoffs