First of all, Thank you for you help...

I am finding it hard to solve this...

Results of an experiment:

Result A - Occurred 5 times
Result B - Occurred 3 times
Result C - Occurred 8 times
Result D - Occurred 7 times
Result E - Occurred 6 times
Result F - Occurred 6 times
Result G - Occurred 5 times

I need to calculate the top 70% (approximate) of the results based on how frequently they occurred.

So in this example...
Result C - Occurred 8 times
Result D - Occurred 7 times
Result E - Occurred 6 times
Result F - Occurred 6 times

Total: 27 (That is 67.5% ~ 70%)
I dont want to include Result A or Result G then it would come to 92.5%

Could anyone please help me?

Thank you