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*Win MLS Cup100.0*Average seed
Rapids 2 Earthquakes 1 +0.6
+0.1
Sounders 0 Dynamo 0 -0.1
+0.1
Week of 10/16100.0*Chance in playoffs100.0*Win MLS Cup100.0*Average seed
Timbers 1 Rapids 0 +22.4
+0.3
+0.4
Real Salt Lake 0 Sporting KC 0 -4.9
+0.1
FC Dallas 2 Sounders 1 +0.1
Earthquakes 0 Whitecaps 0 +0.1
Week of 10/23100.0*Chance in playoffs100.0*Win MLS Cup100.0*Average seed
Whitecaps 4 Timbers 1 -29.7
No
-0.6
Sporting KC 2 Earthquakes 0 -7.9
-0.3
-0.2
Sounders 2 Real Salt Lake 1 -0.4
-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
Sounders 0 Dynamo 0 -0.0
Week of 10/16100.0*Lottery seed
Timbers 1 Rapids 0 -0.8
Fire 2 Revolution 1 -0.1
Earthquakes 0 Whitecaps 0 -0.1
FC Dallas 2 Sounders 1 -0.0
Week of 10/23100.0*Lottery seed
Whitecaps 4 Timbers 1 +1.1
Sporting KC 2 Earthquakes 0 +0.3
Sounders 2 Real Salt Lake 1 +0.1
Revolution 3 Impact 0 -0.0
Orlando 4 DC United 2 -0.0