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 -0.1
Sunwolves 42 Bulls 37 +0.1
Week of 7/7100.0*Average seed
Hurricanes 42 Blues 24 +0.1
Waratahs 77 Sunwolves 25 -0.1
Week of 7/14None
Points
Chance Will Make Playoffs