How are these numbers calculated? (show)

Big Games

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

Week of 4/26
None
Week of 5/3
Reading0Tottenham1(-0.78)
Bolton2Sunderland0(-0.22)
Fulham2Birmingham0(0.08)
Blackburn3Derby1
0.00 (-1.02)
Week of 5/11
Portsmouth0Fulham1(-0.54)
Derby0Reading4(0.67)
Birmingham4Blackburn1(-0.27)
0.00 (-0.23)
Points  (Full Screen)
Chance Will Win Championship  (Full Screen)