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*Chance in playoffs100.0*Average seed
Sunwolves 42 Bulls 37 Out
-0.9
Jaguares 25 Stormers 14 -0.5
+0.1
Sharks 31 Lions 24 -0.3
-0.2
Brumbies 24 Hurricanes 12 -0.1
-0.3
Reds 37 Rebels 23 -0.2
Week of 7/7100.0*Chance in playoffs100.0*Average seed
Bulls 43 Jaguares 34 +1.1
Stormers 27 Sharks 16 -0.2
Hurricanes 42 Blues 24 +0.1
Chiefs 24 Brumbies 19 +0.1
Week of 7/14100.0*Chance in playoffs100.0*Average seed
Lions 38 Bulls 12 -0.8
Waratahs 31 Brumbies 40 -0.3
Sharks 20 Jaguares 10 -0.2
Points
Chance Will Make Playoffs