The Winners & Losers feature gives you an overview of how many keywords are shifting up, down or remaining unchanged in rankings. This is a great way to understand which direction your keywords are moving in general.
For a keyword to be included, it has to be tracked on both dates that you want to compare.
To select which dates to compare, go to the top right of the overview and select “Compare to”:
To see how many keywords fall into these categories, simply click on them: