# using variables to calculate a percentage

Oct 31, 2013

I'm working on a course whereby the learner can select a number of sections. I want the score achieved at the end of the course to be based on the number of completed sections and a grade to be associated with the score achieved against the maximum number of points associated with all the sections selected.

At the moment I have 3 variables - totalscore which is the total number of points achieved for the selected questions, maxscore which is the maximum number achievable for the selected sections and degreegrade which is a text variable that is supposed to change depending on the percentage achieved i.e. set degreegade to first if totalscore >=85% of maxscore

How can I achieve this using variables in Storyline? I'm going round in circles and my brain hurts!!

## 2 Replies

OK trial and error is a good thing and I think I've solved my conundrum!

So I have my totalscore variable.

I set my totalscore85% variable to equal totalscore

I then multiply totalscore85 (new variable) by 0.85 to get 85% of totalscore

I then set degreegrade to 'first' if totalscore >=totalscore85

I'm just testing this now to check that it works but I think in principle my logic is sound?!

Hi Greg,

Thanks for the update and I'm glad you were able to solve your own problem. If you test it, and still have difficulty you may want to post your .story file here for the community to take a look at.

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