Variable data Data pull out request

Greetings all,

I am in a serious need for your help.

In a given table I need to find/present if the "country sites/country addresess" that where added later than april 2017, are different than the older sites that were created.
If address creation date is april,2017 and above AND country address <>(not equal) to the country address from march,2017 and older = present customer ID

excel need help.PNG
Edit: fixed screenshot, above is the correct example

I hope I was able to express my self properly, please assist if you have the option it would be mega appriciated~!