a companys stock was selling at $28 a share. a month later, it is selling at $21 a share. what is the…

a companys stock was selling at $28 a share. a month later, it is selling at $21 a share. what is the percent change? ?%
Answer
Explanation:
Step1: Calculate the change in price
$21 - 28=- 7$
Step2: Calculate the percent - change formula
Percent change=$\frac{\text{Change in value}}{\text{Original value}}\times100%$ Substitute the values: $\frac{-7}{28}\times100%$
Step3: Simplify the expression
$\frac{-7}{28}\times100%=- 25%$
Answer:
$-25$