How are these numbers calculated?

Big Games

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

Week of 10/24100.0*Chance in playoffs100.0*Average seed
NYCFC 3 Montreal 1 +8.4
+0.4
Toronto FC 0 NYCFC 1 +4.0
+0.6
NY Red Bulls 1 New England 0 -1.6
+0.1
Montreal 0 Nashville 1 -1.2
-0.1
Chicago 2 NY Red Bulls 2 +0.8
+0.0
Atlanta 1 DC United 2 +0.1
Orlando 4 Atlanta 1 -0.0
Week of 10/31100.0*Chance in playoffs100.0*Average seed
Nashville 1 Chicago 1 +0.1
+0.0
NYCFC 5 NY Red Bulls 2 In
+0.2
Columbus 2 Philadelphia 1 -0.1
Montreal 0 Orlando 1 -0.1
Week of 11/8100.0*Chance in playoffs100.0*Average seed
Chicago 3 NYCFC 4 +0.2
Columbus 2 Atlanta 1 -0.1
Points
Chance Will Make Playoffs