How are these numbers calculated?

Big Games

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

Week of 8/22100.0*Average seed
Eels 22 Sea Eagles 12 -0.4
Warriors 12 Roosters 46 -0.1
Panthers 10 Storm 24 +0.1
Week of 8/28100.0*Average seed
Sea Eagles 26 Panthers 25 +0.8
Bulldogs 14 Rabbitohs 21 -0.1
Week of 9/4100.0*Average seed
Cowboys 30 Sea Eagles 16 -0.5
Games Above .500
Chance Will Make Playoffs