The discussion should be specific to each % change figure. So, first, discuss what has happened over the last couple of years (ie pandemic). Then discuss how this affected Costco. Once you narrow down the reasons, then you can discuss the % changes. Without even calculating, you can see that they are all going to be positive across the board. So, this firm has flourished during the pandemic. Why? Their demand increased, which means revenues, cash flow and profitability increased. This all leads to stock price increases. As cash flow and profitability increase, so do dividends. As profitability increases, so does equity.

2020-2022 Stock Price Dividends Equity Beginning Figure 294.06 0.65 18,284,000 Ending Figure 565.03 0.79 20,642,000 % Change 92.15 21.54 12.90