Index Number

Index number definition
The index number measures the level of the single
A quantity, price, range of prices, or other value at one point in time or in another place compared to another point in time or place. This can be displayed as a quotient, usually expressed as a percentage, and used as an indicator of the increase/decrease of the top/bottom counter value
denominator value.
So we're talking about the price index, the smart index, the social deprivation index, the social deprivation index.
financial well-being, etc. index number
It serves two main purposes:
first time,
They provide scaled measurements of properties defined by a number of measurements.
The scale is arranged so that one individual (usually a typical individual) has an index of 100 and other individuals have an index of that percentage.
typical index. Second, it makes it possible to compare the magnitude or amount of variation over different time periods. This also requires choosing a reference date whose index has a value of 100. Index numbers to other dates are expressed as a percentage of that base value. Note what the index numbers represent.
A special case of average, a relative term.