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
Lions 18 Sharks 48 -0.6
-15.3
-0.3
Jaguares 29 Bulls 11 In
Rebels 31 Stormers 57 -0.3
-0.1
Week of 7/8100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Lions 57 Kings 21 +18.8
+0.4
Sharks 26 Cheetahs 10 -12.4
-0.2
Force 3 Stormers 22 -0.1
Week of 7/15100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Jaguares 34 Lions 22 No
-1.0
Sharks 40 Sunwolves 29 -25.0
-0.4
Points
Chance Will Make Playoffs