How are these numbers calculated?

Big Games

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

Week of 9/22100.0*Chance in playoffs100.0*Average seed
New York 2 Philadelphia 0 In
+0.6
LA Galaxy 2 Montreal 1 +1.7
Cincinnati 0 Chicago 0 +0.4
Houston 2 Orlando 1 +0.1
Los Angeles FC 1 Toronto 1 -0.1
+0.0
New England 0 Salt Lake 0 +0.1
+0.0
DC United 2 Seattle 0 -0.2
San Jose 1 Philadelphia 2 -0.1
Portland 2 New England 2 +0.0
Week of 9/29100.0*Chance in playoffs100.0*Average seed
New York 0 DC United 0 -0.2
Chicago 2 Toronto 2 +0.1
New England 2 New York City 0 -0.1
Week of 10/6100.0*Chance in playoffs100.0*Average seed
Montreal 3 New York 0 -0.7
Toronto 1 Columbus 0 -0.4
Atlanta 3 New England 1 +0.1
DC United 0 Cincinnati 0 +0.0
Points
Chance Will Make Playoffs