How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Average seed
Perpignan 31 Toulon 46 -0.3
Racing Metro 22 Clermont 6 +0.1
Week of 5/3100.0*Average seed
Montpellier 44 Racing Metro 10 +0.8
Toulon 17 Stade Français 15 -0.1
Clermont 25 Perpignan 22 -0.1
Games Above .500
Chance Will Make Playoffs