How are these numbers calculated?

Big Games

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

Week of 6/30100.0*Average seed
Reds 37 Rebels 23 -0.3
Brumbies 24 Hurricanes 12 -0.1
Jaguares 25 Stormers 14 +0.0
Week of 7/7100.0*Average seed
Hurricanes 42 Blues 24 -0.2
Stormers 27 Sharks 16 -0.1
Bulls 43 Jaguares 34 -0.1
Waratahs 77 Sunwolves 25 +0.0
Reds 48 Sunwolves 27 -0.0
Week of 7/14None
Points
Chance Will Make Playoffs