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 +0.2
+0.0
Houston 2 Sporting KC 1 -0.2
-0.0
Minnesota 1 Sporting KC 1 +0.0
NY Red Bulls 3 Vancouver 0 +0.0
Week of 10/15100.0*Chance in playoffs100.0*Average seed
Portland 4 DC United 0 In
+1.0
Vancouver 1 San Jose 1 +0.3
+0.1
Colorado 1 Real Salt Lake 0 +0.3
+0.0
Seattle 4 FC Dallas 0 +0.2
-0.2
Sporting KC 0 Houston 0 +0.2
Week of 10/22100.0*Chance in playoffs100.0*Average seed
Portland 2 Vancouver 1 +1.2
Seattle 3 Colorado 0 -0.3
Real Salt Lake 2 Sporting KC 1 +0.2
Points
Chance Will Make Playoffs