Comparing your landing zone data with last year’s actuals allows you to visualise whether or not your business is on the right track in terms of progression. If it’s not, you might want to take action before the end of the current financial year.
Comparing your landing zone data to your forecast for the entire year lets you understand how accurate your forecast is likely to be, come the end of the current financial year. It also lets you decipher whether or not you're on track to meet your KPIs.