Percentage generally refers to percentage, which means that one number is a percentage of another number, also called percentage or percentage. Percentages are usually not written in the form of fractions, but are represented by the symbol "%"(percent sign).

Percent is a special fraction, the denominator is 100 and the numerator is not an integer. Percent indicates that one number is a percentage of another number, indicating a ratio. Percent is a way to express the numerical value of proportion, ratio or fraction, such as 82% for 82%, or 82/ 100, 0.82.

Percent is a way to express the value of proportion, ratio or fraction, such as 82% for 82%, or 82/ 100, 0.82. Sum and discount represent a few tenths, such as "70%" and "30%", which represent 70/ 100 or 70% or 0.7 respectively. Therefore, the percentage cannot be followed by the unit.

Exchange of percentages and decimals:

(1) Decimal system: Delete the percent sign and move the decimal point to the left by two places. For example, 75% can be converted into 0.75.

(2) Decimal percentage: add a percent sign and move the decimal point to the right by two places. For example, 0.62 can be converted into 62%.

Above content reference: Baidu Encyclopedia-percentage