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*Chance in playoffs100.0*Average seed
Real Salt Lake 0 Timbers 1 +36.5
+1.0
Week of 10/16100.0*Chance in playoffs100.0*Average seed
Galaxy 2 Timbers 5 +21.6
+1.5
Earthquakes 1 Sporting KC 0 -9.2
-0.1
Sporting KC 0 Rapids 2 +0.6
+0.3
Dynamo 1 Sounders 1 -0.1
+0.0
Week of 10/25100.0*Chance in playoffs100.0*Average seed
Sporting KC 2 Galaxy 1 -1.2
-0.1
FC Dallas 2 Earthquakes 1 In
+0.0
Timbers 4 Rapids 1 In
+1.0
Sounders 3 Real Salt Lake 1 -0.8
-0.2
Whitecaps 3 Dynamo 0 -0.3
Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 10/10100.0*Lottery seed
Real Salt Lake 0 Timbers 1 -1.9
Rapids 0 Impact 1 +0.1
Week of 10/16100.0*Lottery seed
Galaxy 2 Timbers 5 -3.0
Sporting KC 0 Rapids 2 -0.5
Earthquakes 1 Sporting KC 0 +0.1
Dynamo 1 Sounders 1 -0.0
Week of 10/25100.0*Lottery seed
Timbers 4 Rapids 1 -2.1
Whitecaps 3 Dynamo 0 +0.5
Sounders 3 Real Salt Lake 1 +0.3
Sporting KC 2 Galaxy 1 +0.2
FC Dallas 2 Earthquakes 1 -0.1
NYCFC 1 Revolution 3 +0.1
Crew 5 DC United 0 +0.0