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
HFH 7 ROW 6 +24.7
+2.1
TDS 18 MM 19 -11.3
-0.5
Week of 9/16100.0*Chance in playoffs100.0*Average seed
TDS 18 HFH 7 -42.3
-1.7
MM 19 ROW 6 -11.3
-0.6
Games Above .500
Chance Will Make Playoffs