How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
MUFF 62 KEIT 79 +5.0
+0.6
VICK 80 ROSE 92 -1.4
-0.0
MORA 34 NY 72 -0.8
-0.0
KING 77 BOS 80 +0.4
PERS 63 CHICO 52 +0.1
+0.5
FD 74 CAT5 48 -0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
KING 127 NY 93 +4.0
+0.3
FD 90 ROSE 137 -3.0
-0.1
PERS 66 KEIT 62 -3.0
-1.0
MORA 57 CHICO 74 -0.5
-0.1
Week of 12/6100.0*Chance in playoffs100.0*Average seed
KEIT 84 MORA 73 In
+0.2
NY 81 VICK 77 -1.9
ROSE 73 MUFF 100 +1.5
+0.3
CHICO 90 KING 103 +1.0
Games Above .500
Chance Will Make Playoffs