On website queries that deliver large amount of data, precision of data can be inaccurate due to restrictions on Google Search Console systems.
Higher precision setting returns more accurate search analytics data, but also slows down data fetching. "High" and "Very high" options are only available with extra payment, for these please contact email@example.com.
You can change the data precision settings like this:
Supermetrics for Google Sheets and Supermetrics for Excel:
Supermetrics for Data Studio: