How are these numbers calculated?

Big Games

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

Week of 10/10100.0*Supporters Shield100.0*Average seed
FC Dallas 2 Whitecaps 0 No
-0.6
Toronto FC 2 Red Bulls 1 +0.8
Week of 10/16100.0*Supporters Shield100.0*Average seed
Sporting KC 0 Rapids 2 +0.3
Earthquakes 1 Sporting KC 0 +0.1
Galaxy 2 Timbers 5 +0.1
Dynamo 1 Sounders 1 +0.0
Week of 10/25100.0*Supporters Shield100.0*Average seed
Whitecaps 3 Dynamo 0 +0.8
Sounders 3 Real Salt Lake 1 -0.2
Sporting KC 2 Galaxy 1 +0.2
Timbers 4 Rapids 1 -0.2
Points
Chance Will Make Playoffs