percentages are calculated out of 100
do you know how to do fractions, if you can then its easy
half of 100 is 50 so its is 50% of 100
80.75%
87.5%
Well, the only thing that I know is the persentages in basketball and football of teens. Well, I heard that in basketball there is about a percentage of 15%, and in football it is 38%. If you want to know more, it might be in Google.
( sorry if you still don't get it) here is a example:1 3_ _2 4