Percentage be found by multiplying first, so in this example the 50 would be multiplied by 100 to give 5,000, and this result would be divided by 1250 to give 4%. To calculate a percentage of a percentage, convert both percentages to fractions of 100, or to decimals, and multiply them. For example, 50% of 40% is: It is not correct to divide by 100 and use the percent sign at the same time. (E.g. , not , which actually is . A term such as would also be incorrect, this would be read as 1 percent even if the intent
Percentage point standard deviation is confusing, since percentage is also used as a unit for the relative standard deviation, i.e. standard deviation divided by average value (coefficient of variation). Percentage point A percentage point or percent point is the unit for the arithmetic difference of two percentages. For example, moving up from 40% to 44% is a 4 "percentage point" increase, but is an actual 10 percent increase in what is being measured. In the literature, the percentage point unit is usually either written out, or abbreviated as "pp" or "p.p." to avoid ambiguity. After the first occurrence, some writers abbreviate by