Data Analytics is a general form of analytics that is used to make business decisions that are data-driven.
Data Analysis is a way of analyzing data in order to take some insights out of it.
When is Analysis performed? When is Analytics performed?
Analysis is mainly done on data that we have from the past event. Example, to analyze the sales data from the previous year, they can look for profits and patterns of the last year
Analytics is a combination of analysis with logical and computational reasoning. For example, with the past sales data, they can analyze and predict what will be the right time to pitch in new sales of products this year.