It makes sense, because as a scientist you often only write it as e.g. 0.2% for the article, but 0.002 in your actual calculation. Percentage calculations bein

It makes sense, because as a scientist you often only write it as e.g. 0.2% for the article, but 0.002 in your actual calculation. Percentage calculations being off by 2 zeros I would say is one of the most common mistakes I saw in, e.g. statistics exams.