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 -0.4
-9.6
-0.2
Jaguares 29 Bulls 11 In
Week of 7/8100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Lions 57 Kings 21 +9.4
+0.2
Sharks 26 Cheetahs 10 -3.0
-0.0
Week of 7/15100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Jaguares 34 Lions 22 No
-1.7
Sharks 40 Sunwolves 29 -1.4
-0.0
Points
Chance Will Make Playoffs