In which yearly change was there a capacity of 78.4% and a rank smaller than 3?
CREATE TABLE "brazil_s_15_busiest_airports_by_passenge" (
  "rank" real,
  "location" text,
  "total_passengers" real,
  "annual_change" text,
  "capacity_in_use" text
);
SELECT "annual_change" FROM "brazil_s_15_busiest_airports_by_passenge" WHERE "rank"<3 AND "capacity_in_use"='78.4%';