Table schema:
CREATE TABLE table_29789_3 (_percentage_change VARCHAR, international_tourism_expenditure_2011 VARCHAR)

Question: What was the percentage increase in spending on international tourism from 2011 to 2012 of the country that spent $85.9 billion in 2011?
SQL: SELECT _percentage_change FROM table_29789_3 WHERE international_tourism_expenditure_2011 = "$85.9 billion"