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

### Instruction:
What percentage of users were using other browsers according to the source that reported 21.22% were using Firefox?

### Inputs:
table_name: table, columns: ['Source', 'Chrome', 'Internet Explorer', 'Firefox', 'Safari', 'Opera', 'Other']

### Response:
SELECT Other FROM table WHERE Firefox = 21.22%