The term "0.2%" represents a fraction that is equivalent to two-tenths of one percent. In numerical terms, it can be expressed as 0.002 when converted to a decimal. This percentage is often used in various contexts, such as statistics, finance, and scientific measurements, to indicate a small portion of a whole. For example, if a population of 1,000 people has a disease affecting 0.2% of them, that means only 2 individuals are affected. Understanding percentages like 0.2% is essential for interpreting data and making informed decisions in fields such as healthcare and economics.