Living in PA as a remote employee for NY state company

In January 2021, I was hired to work for a multi branch company they have an office in PA and other states, their main office is in NY but due to the pandemic I have been working remotely and in June 2021 I moved over two hours away from the PA office. I was just informed that if I do not plan on going into the office at least 1 a month they will need to change my tax withholding to NY. Since I do not plan on traveling over 2 hours to go into the office once a month, here is my questions.


1. Once my tax withholding is changed to NY for the year 2022 would I have both PA and NY tax withholding show on my pay, or will it just be NY?
2. At the end of 2022 will I need to file a tax return in NY or just PA?


I am sure I will probably have more questions, but this is where I need to start.