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How to sum tasks with weight, to decide a percentage of all project?

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Hey guys,
I need some help and can’t find de answer for this! I have some projects and tasks, but each one have a kind of “weight” in certain steps, like:
When a task is in To Do, it have a weight of 5%
When a task is in Doing, it have a weight of 40%
When a task is in Validation, it have a weight of 5%
When a task is in Done, it have a weight of 50%
When I sum all of them, the result is 100%
I don’t know if it’s clear. I just want to do something like this /
image
image

1 Solution

Accepted Solutions

Hi @Cristiano_Vani,
Here is a Switch formula you can use to show you the percentage based on the Status of the task;

SWITCH(
  Status,
  'To Do', .05,
  'Doing', .40,
  'Validation', .05,
  'Done', .50
)

Format the formula field to Percentages
image
image

I do not understand how you will add up to 100% as the status changes. Do you intent to store the percentage as you move through the process?

Maybe this formula makes more sense?

SWITCH(
  Status,
  'To Do', .05,
  'Doing', .45,
  'Validation', .50,
  'Done', 1
)

See Solution in Thread

5 Replies 5

Not sure exactly what you are trying to do but perhaps

Make your percentage weights cumulative and then use a switch function to get the weight of the task or project.

Hi @Cristiano_Vani,
Here is a Switch formula you can use to show you the percentage based on the Status of the task;

SWITCH(
  Status,
  'To Do', .05,
  'Doing', .40,
  'Validation', .05,
  'Done', .50
)

Format the formula field to Percentages
image
image

I do not understand how you will add up to 100% as the status changes. Do you intent to store the percentage as you move through the process?

Maybe this formula makes more sense?

SWITCH(
  Status,
  'To Do', .05,
  'Doing', .45,
  'Validation', .50,
  'Done', 1
)

It helped me a lot, thanks u guys!
But, now I have another question, a little bit harder I think

Each task have a weight (5%, 40%…)
Each task have a representative weight, but, all the tasks is equal in importancy
So, if I have 15 tasks inside a project, each task represents 6,67%, ok?
If I have 5 tasks inside a project, each tasks represents 20%, ok?

So, I have 15 projects and 105 tasks in total, like this:

Tasks %Project
6 5,71%
15 14,29%
7 6,67%
6 5,71%
5 4,76%
6 5,71%
8 7,62%
6 5,71%
5 4,76%
16 15,24%
9 8,57%
4 3,81%
6 5,71%
6 5,71%
0 0,00%
105 100%

Because 6/105 = 5,71%, like this.

Now, I need to know, the progress of my project with the percentage of the tasks.

Tasks
5 Weight Project Weight
to do 5% 0,05%
doing 40% 0,38%
done 50% 0,48%
doing 40% 0,38%
backlog0% 0,00%
1,29%

When all the tasks are done, the total is 4,76% in this case.
So, how I can put this, inside the Airtable?

If it doesn’t clear, pls tell me, I’m trying to explain all the points

If I have understood

Have a look at creating a roll up field in the projects field with the number of tasks - then lookup this field in all of the tasks then use it in a formula to divide the progress of each task by to create proportion of project complete by this task.

You can then roll these fields up into the project field for completion.

I think, I understand, but
What formula I need to use in this last case?