How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 7/1100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Hurricanes 37 Blues 27 +8.6
+9.4
+0.6
Sunwolves 12 Waratahs 57 -2.3
Brumbies 43 Reds 24 -2.1
Kings 37 Highlanders 10 +1.5
+0.8
+0.2
Chiefs 23 Crusaders 13 -0.1
+2.5
-0.0
Week of 7/8100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Blues 40 Brumbies 15 In
Waratahs 17 Hurricanes 28 +12.4
+0.4
Reds 5 Chiefs 50 -9.4
-0.3
Crusaders 85 Rebels 26 -0.1
Jaguares 8 Highlanders 34 -0.1
Week of 7/15100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Highlanders 25 Chiefs 15 +25.0
+0.5
Crusaders 10 Hurricanes 35 +25.0
+1.0
Points
Chance Will Make Playoffs