Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_42077 ( "Rank" real, "Location" text, "Total Passengers" real, "Annual change" text, "Capacity in use" text )

### Question ###
What is the Capacity in use with an Annual change that is 21.8%?

### Accurate SQL ###

SELECT "Capacity in use" FROM table_42077 WHERE "Annual change" = '21.8%'