overcharged

honestly speaking this attorneys makes alot of money with us serious and worse they setup a debicheck which you cant reverse ,last time i spoke to a lady there she told me my account balance was 2800 ,and aand i have poaid 2 months without talking,later i was told one account is handed over,i asked for my both statement none was send and the account with them was at 2500 that time and i have paid 3 consercutive months i was suppose to be on a 1000 now but i am still at 3000 how does this work maar ,i think of changing my bank now