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
LO 2 FNL 12 +24.7
+2.1
SMF 8 DP 1 -11.3
-0.5
Week of 9/16100.0*Chance in playoffs100.0*Average seed
FNL 12 DP 1 In
+0.2
LO 2 SMF 8 -0.1
-0.0
TDS 18 HFH 7 -0.1
MM 19 ROW 6 -0.1
BPP 3 JUGS 15 -0.0
SHOCK 14 RECK 4 -0.0
Games Above .500
Chance Will Make Playoffs