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
VICK 80 ROSE 92 -16.5
-1.3
KING 77 BOS 80 +1.7
+0.1
MUFF 62 KEIT 79 +1.5
+0.1
FD 74 CAT5 48 -1.3
-0.1
PERS 63 CHICO 52 -1.2
-0.2
MORA 34 NY 72 -0.5
-0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
VICK 99 BOS 68 +8.4
+1.3
MUFF 62 CAT5 91 +3.4
+0.2
PERS 66 KEIT 62 -2.7
-0.3
FD 90 ROSE 137 +1.5
+0.2
KING 127 NY 93 -1.4
-0.2
Week of 12/6100.0*Chance in playoffs100.0*Average seed
CHICO 90 KING 103 Out
-0.5
NY 81 VICK 77 Out
-1.8
CAT5 96 PERS 89 +11.4
+0.5
ROSE 73 MUFF 100 -1.5
-0.3
BOS 69 FD 98 -0.1
-0.3
Games Above .500
Chance Will Make Playoffs