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
FD 74 CAT5 48 +5.6
+1.0
MUFF 62 KEIT 79 +4.4
+0.2
KING 77 BOS 80 +4.1
+0.4
VICK 80 ROSE 92 +0.8
+0.1
MORA 34 NY 72 -0.8
-0.0
PERS 63 CHICO 52 -0.4
-0.2
Week of 11/29100.0*Chance in playoffs100.0*Average seed
FD 90 ROSE 137 -21.4
-1.3
MUFF 62 CAT5 91 +13.1
+0.6
PERS 66 KEIT 62 -5.6
-0.4
KING 127 NY 93 -2.9
-0.3
VICK 99 BOS 68 -1.1
-0.1
Week of 12/6100.0*Chance in playoffs100.0*Average seed
CAT5 96 PERS 89 +7.8
+0.4
CHICO 90 KING 103 Out
-0.5
ROSE 73 MUFF 100 Out
-0.6
NY 81 VICK 77 +3.6
+0.4
BOS 69 FD 98 +2.4
+0.9
Games Above .500
Chance Will Make Playoffs