YOY: Difference between revisions

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Revision as of 15:04, 9 June 2020

Year On Year, particularly in the context of percentage growth or decline.


The year-on-year change is calculated from successive years' data as:

YOY change = ( Later year / Earlier year ) - 1


Where:

Later year and Earlier year = two years, exactly one year apart


Example

Revenues have grown as follows:

Year 1: $100m

Year 2: $110m

Year 3: $132m


The related year-on-year (YOY) percentage growth figures are:

Years 1-2:

110/100 - 1

= 10%


Years 2-3:

132/110

= 20%.


Also known as Y/Y.

Sometimes written as 'YoY'.


YOY is different from the compound annual growth rate (CAGR), but they are related.


See also