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
+3.6
+0.7
Brumbies 24 Hurricanes 12 -0.6
+5.7
+0.1
Sharks 31 Lions 24 -0.6
+0.1
Jaguares 25 Stormers 14 -0.1
-0.1
Crusaders 45 Highlanders 22 +0.2
+0.1
Week of 7/7100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Chiefs 24 Brumbies 19 +7.0
+0.3
Hurricanes 42 Blues 24 -3.9
-0.0
Bulls 43 Jaguares 34 +0.3
+0.2
Week of 7/14None
Points
Chance Will Make Playoffs