Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the % Change at London Heathrow airport?

### Inputs:
table_name: table, columns: ['Rank', 'Airport', 'Location', 'Code (IATA)', 'Total Cargo (Metric Tonnes)', '2003 Rank', '% Change']

### Response:
SELECT % Change FROM table WHERE Airport = london heathrow airport