For instance, if you want to know, how many percents is 5 from 100, you do 100/100. That is one. Now you know, that one percent of 100 is one. Than, you multiply 5 by 1. You get 5%.
I advise you to check this link for sure: https://www.mathsisfun.com/percentage.html
I hope I helped you. I will be really happy, If you mark my answer as the brainliest.Your David.
