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
Jaguares 25 Stormers 14 -0.3
Brumbies 24 Hurricanes 12 -0.3
Sunwolves 42 Bulls 37 +0.3
Reds 37 Rebels 23 -0.2
Sharks 31 Lions 24 -0.2
Week of 7/7100.0*Average seed
Stormers 27 Sharks 16 +1.0
Bulls 43 Jaguares 34 -0.3
Hurricanes 42 Blues 24 +0.1
Chiefs 24 Brumbies 19 +0.1
Week of 7/14100.0*Average seed
Lions 38 Bulls 12 +0.3
Points
Chance Will Make Playoffs