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 -17.5
-0.9
KING 77 BOS 80 +9.0
+0.5
VICK 80 ROSE 92 +3.5
+0.2
FD 74 CAT5 48 -1.6
-0.1
PERS 63 CHICO 52 -1.1
-0.1
MORA 34 NY 72 -0.3
-0.0
Week of 11/29100.0*Chance in playoffs100.0*Average seed
MUFF 62 CAT5 91 -31.4
-1.9
PERS 66 KEIT 62 -11.8
-0.6
FD 90 ROSE 137 +3.0
+0.2
KING 127 NY 93 -1.8
-0.4
VICK 99 BOS 68 -1.0
-0.2
Week of 12/6100.0*Chance in playoffs100.0*Average seed
ROSE 73 MUFF 100 +11.6
+2.0
CAT5 96 PERS 89 +9.4
+0.4
CHICO 90 KING 103 Out
-0.4
NY 81 VICK 77 +3.0
+0.2
BOS 69 FD 98 -0.1
-0.2
Games Above .500
Chance Will Make Playoffs