Google has quietly added a new option within the Search Analytics report, within the Google Search Console, to compare one query against the next. This feature was first spotted by @Jonny_J_.
The purpose of the “Compare queries” filter is to compare one query against another. You can currently only compare two queries. Here is what that report looks like when you do the comparison:
You can access this feature by logging into your Google Search Console account and clicking on Search Analytics. Then click on the Queries section and select “Compare queries.”
Then this pops up, and you can enter your search phrases:
Postscript: You can actually now compare two variables not just on the queries filter but also on the pages, countries, devices and search types filters.