How are these numbers calculated?

Big Games

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

Week of 6/24100.0*Average seed
Trail & Castleg 0 Hobema Hosers 2 -0.5
Binbrook Buccan 4 Farmers FC 2 -0.4
Scarborough FC 4 North York FC 1 -0.2
D.R. Legion FC 1 Porcupine Gold 4 +0.0
Hans Island 1 Halifax Wandere 3 +0.0
Week of 7/1100.0*Average seed
Red Star Red Deer 1 Trail & Castleg 4 +1.1
AFC Medicine Ha 3 Trail & Castleg 1 -0.7
D.R. Legion FC 3 York Lions FC 0 -0.3
Nanaimo Barre FC 0 Inter Regina 1 +0.1
EXPAT FC 3 Hans Island 2 -0.1
Binbrook Buccan 1 London Knights FC 4 +0.1
D.R. Legion FC 3 North York FC 7 +0.0
Racing Club de 0 Beaverton FC 1 +0.0
Binbrook Buccan 0 SC Chatham Corn 3 +0.0
Borussia Moncto 5 Hans Island 3 +0.0
Week of 7/8100.0*Average seed
Nanaimo Barre FC 0 Trail & Castleg 1 +0.8
Binbrook Buccan 1 Hamilton Steele 4 +0.2
D.R. Legion FC 3 Racing Club de 1 -0.1
Points
Chance Will Make Playoffs