The percentile rank of a particular score is defined as the percentage of the scores in a distribution which are at or below the particular score. It is possible to determine some percentile ranks directly from the frequency distribution table, provided that the percentile ranks are percentages that appear in the table.hen a score is identified by its percentile rank, the score is called a percentile. It is also possible to determine some percentiles directly from the frequency distribution table, provided that the percentiles are upper real limits of a category.
To divide a decimal by a whole number, divide as you would for whole numbers; and place a decimal point in the answer so that it lines up with the decimal point in the dividend.
Convert Percents to Decimals. Just move the decimal point 2 places to the left and remove the % sign! Converting From Percent to Decimal. If you divide 50 by 100 you get 0.5 (a decimal number). So, to convert from percent to decimal: divide by 100, and remove the % sign. The easy way to divide by 100 is to move the decimal point 2 places to the left, so. Move the decimal point two places to the left: 8.5 -> 0.85 -> 0.085.