How are these numbers calculated?

Big Games

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

Week of 3/14100.0*Average seed
Stumblebums 4 Pistolas 2 -0.9
Spaceballs 5 Natty Ices 5 -0.2
Seconds 2 Pistolas 5 +0.1
Brawlers 8 Blue 1 -0.1
Brawlers 12 Benders 1 -0.0
Week of 3/22100.0*Average seed
Spaceballs 9 PwC 2 -0.1
Benders 5 Stumblebums 7 -0.0
Week of 3/28100.0*Average seed
Blue 3 Spaceballs 7 -0.2
Gray 3 Natty Ices 8 -0.1
Pistolas 10 Seconds 0 +0.0
Points
Chance Will Make Playoffs