Cumulative count with blank

Anonymous - So, in the data you display, is the 0 row supposed to be 554 instead of 277? Can you post sample source data that recreates the problem along with expected output?

 

Also, please first check if your issue is a common issue listed here: https://community.powerbi.com/t5/Community-Blog/Before-You-Post-Read-This/ba-p/1116882

Also, please see this post regarding How to Get Your Question Answered Quickly: https://community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490

The most important parts are:
1. Sample data as text, use the table tool in the editing bar
2. Expected output from sample data
3. Explanation in words of how to get from 1. to 2.

Anonymous , [diferença] is not visible in data you shared , so can not suggest the right solution.

Can you share sample data and sample output in table format?