Capital One Credit Card Complaint

Capital One Credit card department,

Missouri

Capital One took my payment made on - -, 2016 and did n't apply the payment to my credit card account thereby leaving an outstanding balance of $430.00. I should have Zero Balance with a credit of $38.00 Dollars. Because Capital One stole my payment of $470.00 and did n't apply it to my account they messed up my Credit Score and brought it down to -. I use to have a Credit Score of - or higher. I went to purchase a car and because of Capital One my interest Rate was - per cent and I had pay $2000.00 Down Payment. I want Capital One to apply my payment of $470.00 and Close the account in good standing stating the account was paid in full with no missed or late payments every month.