No one would know why your credit score went down. You would have to check your credit report to see what changed. You can also contact the credit agency for help.
Why did my credit score drop for no reason?
There are lots of reasons why your credit score could have gone down, including a recent late or missed payment, an application for new credit or a change to your credit limit or usage. The activities that affect your credit scores correspond to the way the credit scoring models calculate them.
