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
Swillards 128 Cobbies Army 160 +18.7
+1.0
SUV 93 Pyledrivers 122 +6.6
+0.2
Duke 143 Skinny Bastards 111 +4.0
+0.2
Tonto 91 Docinators 118 +2.5
+0.1
Bogus Lump 106 Chupacabras 159 -2.3
-0.1
Big Daddy 98 HACK 164 -0.5
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Cobbies Army 67 HACK 77 -23.7
-0.5
Tonto 113 Duke 78 -11.6
-0.2
Chupacabras 153 SUV 120 +8.7
+0.3
Skinny Bastards 163 Big Daddy 93 -0.1
Games Above .500
Chance Will Make Playoffs