I want to get back to the previous questions to allow to change the wrong values

[Kal_Lam]

@feedlot, maybe this post discussed previously should help you solve your issue:

Validation of added percentages (not exceeding 100% while cumulating)

Hi @LuisB, You could do the same as outlined in the image below: In the survey tab of your xlsform: [Image 101] In the choices tab of your xlsform: [Image 102] Data entry screen as seen in Enketo: (when the percentage exceeds 100) [Image 103] Data entry screen as seen in Enketo: (when the percentage does not exceed 100) [Image 104] Reference xlsform: Cumulative Percentage 100.xlsx (11.6 KB)