Downgrade my account

Dear Hello Peter I'm FNB client for more than 25 years, I have lost a job on 30 September 2021, I went to FNB to ask them to downgrade my account ( from cheque account R229 per month to affordable amount R59) but even now FNB is still charging me R229, everyweek I go to my fnb branch to beg them, nothing happens , please help me