CREATE TABLE table_name_78 (percentage_of_marine_area__foreez_ VARCHAR, ecozone VARCHAR, area__km²__exclusive_economic_zone VARCHAR)
How many values for percentage of marine area are for the Atlantic marine ecozone with an exclusive economic zone area less than 996,439?
SELECT COUNT(percentage_of_marine_area__foreez_) FROM table_name_78 WHERE ecozone = "atlantic marine" AND area__km²__exclusive_economic_zone < 996 OFFSET 439