You also should not underestimate the impact that organic search can have on the success of your website. Our research here at BrightEdge has found that about 51 percent of the traffic on the average site comes from the SERPs. In other words, more people land on your site because of the results pages for particular queries than because of your email, social media, and paid marketing efforts combined.
The challange is for SEO's then to tell this to the clients and not worry of loosing them. What to report on then, for GMB- impressions (this should decrease because I found on the maps that the link to website isn't always there!), GMB dashboard for views (a test showed stats on the GMB dashboard are incorrect) the suggested channels social, youtube don't fall under organic traffic
Conversely, if your business is in a tight spot, you can decrease your budget or stop spending altogether. You can also specify when you advertise, so if you are having a sale this month and want to reach a larger audience, you can run a campaign focused on the sale just during this month. Or, if you offer special deals on Tuesdays, you can schedule your ads to run only on Tuesdays.