Based on the sales given for the Chicago department and discount stores, the trend analysis:
To complete a trend analysis, you divide succeeding amount of a measure, by the base amount.
In this case, the succeeding figures would be the sales after 2018 while the base year is 2018.
Trend analysis:
2018:
= 3,376 / 3,376
= 100%
2019:
= 3,312 / 3,376
= 98%
2020:
= 3,048 / 3,376
= 90%
2021:
= 3,574 / 3,376
= 106%
2022:
= 3,314 / 3,376
= 98%
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