question: Name the average debt as % of value for operating income more than -16 and % change on year being 62
answer: SELECT AVG(debt_as__percentage_of_value) FROM table_name_7 WHERE _percentage_change_on_year = "62" AND operating_income__$m_ > -16
context: CREATE TABLE table_name_7 (debt_as__percentage_of_value INTEGER, _percentage_change_on_year VARCHAR, operating_income__$m_ VARCHAR)