How are these numbers calculated?

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 7/1100.0*Lottery seed
Rebels 31 Stormers 57 +0.5
Hurricanes 37 Blues 27 -0.2
Brumbies 43 Reds 24 +0.1
Sunwolves 12 Waratahs 57 +0.1
Jaguares 29 Bulls 11 -0.1
Week of 7/8100.0*Lottery seed
Crusaders 85 Rebels 26 +0.2
Blues 40 Brumbies 15 +0.2
Bulls 50 Sunwolves 3 +0.1
Sharks 26 Cheetahs 10 -0.1
Week of 7/15None
Points
Chance Will Make Playoffs