How are these numbers calculated?

Big Games

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

Week of 10/12100.0*Chance in playoffs100.0*Average seed
Rapids 2 Earthquakes 1 +1.4
+0.1
Seattle 0 Dynamo 0 -0.4
Week of 10/16100.0*Chance in playoffs100.0*Average seed
Portland 1 Rapids 0 +29.3
+0.5
Real Salt Lake 0 Sporting KC 0 +1.2
+0.1
FC Dallas 2 Seattle 1 +0.3
+0.0
Earthquakes 0 Vancouver 0 +0.1
Week of 10/23100.0*Chance in playoffs100.0*Average seed
Vancouver 4 Portland 1 -35.8
-0.7
Sporting KC 2 Earthquakes 0 -15.9
-0.3
Seattle 2 Real Salt Lake 1 -0.1
Points
Chance Will Make Playoffs

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 10/12100.0*Lottery seed
Rapids 2 Earthquakes 1 -0.1
Seattle 0 Dynamo 0 -0.0
Week of 10/16100.0*Lottery seed
Portland 1 Rapids 0 -1.1
Fire 2 Revolution 1 -0.1
Real Salt Lake 0 Sporting KC 0 -0.1
Earthquakes 0 Vancouver 0 -0.1
FC Dallas 2 Seattle 1 -0.1
Union 0 Orlando 2 -0.0
Week of 10/23100.0*Lottery seed
Vancouver 4 Portland 1 +1.4
Sporting KC 2 Earthquakes 0 +0.5
Seattle 2 Real Salt Lake 1 +0.2
Revolution 3 Impact 0 -0.1
Orlando 4 DC United 2 -0.0
Union 0 Red Bulls 2 -0.0