Facebook is a topmost using social media platform. But sometimes your was Facebook Account Hacked And Password Changed In this case, you don't need to panic about it. What you have to do in this case simply apply givens mentioned steps:
Open your facebook
Click on Forgotten password
Enter your login details
Select the option from where you can get your facebook verification code to reset your password
Click on continue
Enter the code that you have received and reset your password.
Also read: https://webhitlist.com/profiles/blogs/how-to-recover-hacked-facebook-account