Is the three-point 0.3 or 0.03?

Generally speaking, a certain number of three points are multiplied by 0.03. Percent indicates that one number is a percentage of another number, indicating a ratio. Percentage is a way to express the numerical value of a proportion, ratio or fraction, such as 82% for 82%, or 82 divided by 100=0.82.

If it is 0.3 or 30%, it is 30 points, which is what most people understand. Three points is three percent. When calculating, multiply the product price excluding tax by 0.03 to get the tax. Divide the total amount to be invoiced by 1.03 times 0.03 to get the tax. Such as three points 100, the calculation formula is 100x0.03=3.

Percentages are usually not written in the form of fractions, but expressed in percent sign%, such as 4 1%, 1% and so on. Because the denominator of the percentage is 100, that is, 1% is the unit, so it is easy to compare. Percent only indicates the relationship between two numbers, so you can't add units after the percent sign.