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
Brumbies 43 Reds 24 +17.8
+17.4
+0.9
Sunwolves 12 Waratahs 57 -7.5
-11.9
-0.4
Kings 37 Highlanders 10 +2.5
Rebels 31 Stormers 57 +1.5
+1.4
+0.1
Hurricanes 37 Blues 27 -0.7
Chiefs 23 Crusaders 13 -0.3
Week of 7/8100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Blues 40 Brumbies 15 -14.3
-18.8
-0.7
Waratahs 17 Hurricanes 28 +12.7
+25.3
+0.9
Jaguares 8 Highlanders 34 -12.5
-0.1
Week of 7/15100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Brumbies 24 Force 10 In
Yes
+2.0
Blues 34 Waratahs 28 In
Yes
+1.0
Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 7/1100.0*Lottery seed
Brumbies 43 Reds 24 -1.3
Sunwolves 12 Waratahs 57 +0.6
Rebels 31 Stormers 57 +0.0
Week of 7/8100.0*Lottery seed
Waratahs 17 Hurricanes 28 -1.2
Blues 40 Brumbies 15 +1.2
Jaguares 8 Highlanders 34 +0.1
Force 3 Stormers 22 +0.1
Bulls 50 Sunwolves 3 +0.1
Week of 7/15100.0*Lottery seed
Brumbies 24 Force 10 -2.7
Blues 34 Waratahs 28 -1.4
Cheetahs 17 Bulls 43 +0.3