The following table shows the sales of different brands of mobiles a shop during the years 2018 – 2020. Study the table and answer the question.

What is the percentage decrease in the sales of brand S from the year 2019 to 2020?

Correct option is B

Given:

Sales of brand S in 2019 = 401 (in thousands)

Sales of brand S in 2020 = 255 (in thousands)

Concept Used:

Percentage Decrease = $$\left( \frac{\text{Old Value} - \text{New Value}}{\text{Old Value}} \right) \times 100$$​

Solution:

Percentage Decrease = $$\left( \frac{401 - 255}{401} \right) \times 100$$​

= $$\left( \frac{146}{401} \right) \times 100$$​

= 36.41%