Answer:
The percentaje increase in sales is 10%
Explanation:
To calculate the percentage increase in sales from 2013 to 2014 yo need to calculate the differential in sales from year to year using 2013 as a base.
You need to use the following formula:
Sales differential: [(year1-year0)/year0]*100
In this exercise:
Sales differential= [(770-700)/700]*100=10%
2014 sales increased by 10% compared to 2013 sales.
