How are these numbers calculated?

Big Games

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

Week of 9/9100.0*Chance in playoffs100.0*Average seed
TDS 18 MM 19 -24.9
-2.1
HFH 7 ROW 6 +11.1
+0.5
Week of 9/16100.0*Chance in playoffs100.0*Average seed
TDS 18 HFH 7 +48.1
+3.1
MM 19 ROW 6 +2.0
-0.2
LO 2 SMF 8 +0.1
SHOCK 14 RECK 4 +0.1
BPP 3 JUGS 15 +0.1
FNL 12 DP 1 +0.1
Games Above .500
Chance Will Make Playoffs