How are these numbers calculated?

Big Games

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

Week of 10/7100.0*Chance in playoffs100.0*Average seed
Colorado 1 FC Dallas 1 +0.6
+0.1
Houston 2 Sporting KC 1 -0.5
-0.0
Minnesota 1 Sporting KC 1 -0.1
+0.0
Week of 10/15100.0*Chance in playoffs100.0*Average seed
Seattle 4 FC Dallas 0 In
+1.0
Vancouver 1 San Jose 1 +1.0
Colorado 1 Real Salt Lake 0 +0.9
+0.0
Sporting KC 0 Houston 0 -0.2
+0.1
Portland 4 DC United 0 -0.1
-0.3
Week of 10/22100.0*Chance in playoffs100.0*Average seed
Seattle 3 Colorado 0 +0.9
Real Salt Lake 2 Sporting KC 1 +0.2
Houston 3 Chicago 0 -0.2
Portland 2 Vancouver 1 -0.1
Points
Chance Will Make Playoffs