How are these numbers calculated? (show)

Points Behind 1st  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishBehindPoints
Qatar20.04820
Australia76.5909
Spain125
Netherlands30.15016
Monza914.8477
Germany1251.8434
San Marino
Czech Republic1834.218
Britain1427.1022
Europe715.6609
Italy47.13513
France
Portugal37.40316
121