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
Ginger Army 231.36 MACHO 265.38 +1.4
+0.5
Geese 204.95 Plax 251.56 +0.4
Badgers 271.86 Gators 234.7 +0.1
Glaurung 284.2 Pollos 250.06 -0.1
Thompsons 201.45 Wacky 289.8 -0.1
Dez 226.15 Spectral 271.05 -0.1
Week of 11/13100.0*Chance in playoffs100.0*Average seed
Gators 247.52 MACHO 276.13 +0.4
Wacky 246.8 Plax 184.5 -0.1
Spectral 300.6 Rabbits 188.95 -0.1
Badgers 251.55 Ginger Army 179.4 -0.1
Week of 11/20100.0*Chance in playoffs100.0*Average seed
MACHO 318.15 Badgers 268.66 +0.6
Geese 288.65 Wacky 271 +0.3
Panuckers 245.15 Spectral 241.7 +0.3
Games Above .500
Chance Will Make Playoffs