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
KING 77 BOS 80 -17.5
-1.2
MUFF 62 KEIT 79 +5.3
+0.3
FD 74 CAT5 48 -2.3
-0.1
MORA 34 NY 72 -1.8
-0.1
PERS 63 CHICO 52 -1.7
-0.2
VICK 80 ROSE 92 +0.3
+0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
KING 127 NY 93 +19.1
+1.6
MUFF 62 CAT5 91 +5.3
+0.3
FD 90 ROSE 137 +4.2
+0.3
PERS 66 KEIT 62 -3.4
-0.3
VICK 99 BOS 68 -1.0
-0.2
MORA 57 CHICO 74 -0.2
Week of 12/6100.0*Chance in playoffs100.0*Average seed
CHICO 90 KING 103 +36.4
+2.2
CAT5 96 PERS 89 +14.6
+0.6
NY 81 VICK 77 +2.0
+0.3
ROSE 73 MUFF 100 -1.8
-0.3
BOS 69 FD 98 -1.2
-0.3
Games Above .500
Chance Will Make Playoffs