Cheng means 1 divided by 10. 33 percent is 33 percent; 43% is 43%; 24% is 24%. Fraction means that one number is the 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 hundred 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 33/ 100, 0.33. Sum and discount represent a few tenths. For example, "43%" means 43/ 100 or 430% or 0.43. Therefore, the percentage cannot be followed by the unit.