You can compare Year vs Year results using a Comparison Card. Comparison Cards allow you to view your data comparatively, X vs Y, so you can view differences in performance from one year to the next, variances between budgets and actuals, or the projected divergence between two different Forecasts you've created in Futrli.
Video: How to use a Comparison Card to create a report comparing this year against last year
First, create a Comparison Card. You can do this by selecting to 'Add Card' at the top of the Board in question and then by selecting a 'Comparison Card' from the 'Build Your Own' section:
Year vs Year will be selected by default on the Card:
Once you are happy with the data on the Card, simply click 'Done' to flip the Card and view your comparison.