Interview Status

My interview has being declined though I want to attend the interview now.please help me out to change the status so that I can attend the interview as soon as possible.

not possible to change after confirming

I have applied three company . my profile is showing . you do not have any interview yet. my job list is showing applied . does it mean not shortlisted or will they call after some time ? is it correct way to apply companies ?
please reply

I have given the codility assessment on 22nd may for the company NAB Innovation centre but till now has not received any response from their side. In my jobs dashboard it is still showing confirmed.