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*Home Quarterfinal100.0*Average seed
Highlanders 22 Chiefs 45 In
+9.9
+0.7
Brumbies 24 Hurricanes 12 -1.8
+5.8
+0.1
Sharks 31 Lions 24 -0.8
+0.1
Jaguares 25 Stormers 14 -0.5
-0.1
-0.1
Crusaders 45 Highlanders 22 +2.2
+0.2
Week of 7/7100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Chiefs 24 Brumbies 19 +14.0
+0.4
Hurricanes 42 Blues 24 -11.7
-0.1
Bulls 43 Jaguares 34 +1.1
+0.1
Week of 7/14None
Points
Chance Will Make Playoffs