Sometimes changes in stock prices are recorded as percentages other Sometimes changes in stock…

Sometimes changes in stock prices are recorded as percentages other
Sometimes changes in stock prices are recorded as percentages, other times as returns. The difference is a factor of 100: Percentage changes are 100 times the returns. How does this choice affect the estimated value for β1 in a regression of the change in one stock on the change in the entire market? What about β0 in such a regression?

Sometimes changes in stock prices are recorded as percentages other