How are these numbers calculated?

Big Games

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

Week of 10/13100.0*Chance in playoffs100.0*Win MLS Cup100.0*Average seed
RSL 4 New England 1 -0.7
-0.2
-0.1
Week of 10/21100.0*Chance in playoffs100.0*Win MLS Cup100.0*Average seed
Minnesota 1 LA Galaxy 3 -3.0
Portland 3 RSL 0 In
+1.1
+0.3
Houston 2 Seattle 3 -0.6
-0.1
FC Dallas 0 Sporting KC 3 +0.1
LAFC 2 Vancouver 2 +0.0
Week of 10/28100.0*Chance in playoffs100.0*Win MLS Cup100.0*Average seed
Colorado 2 FC Dallas 1 +1.2
+0.2
Vancouver 2 Portland 1 -0.9
-0.2
Seattle 2 San Jose 1 -0.2
-0.0
Sporting KC 2 LAFC 1 +0.1
+0.0
Points
Chance Will Make Playoffs