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

### Instruction:
what is the natural change (per 1000) when the live births 1 is 278 977?

### Inputs:
table_name: table, columns: ['Average population (x 1000)', 'Live births 1', 'Deaths 1', 'Natural change 1', 'Crude birth rate (per 1000)', 'Crude death rate (per 1000)', 'Natural change (per 1000)']

### Response:
SELECT Natural change (per 1000) FROM table WHERE Live births 1 = 278 977