The result will be either positive or negative (if you use both formulas, the result is always positive). That will tell you whether the percentage change is an increase (positive) or a decrease ...

After all, why should investors care about the percentage increase or decrease in a stock's price when the rise and fall of dollar values really matters? The answer lies in the fact that percent ...

Original Price * (1 + Percentage Increase). For price decreases, the formula is: Original Price * (1 – Percentage Decrease). If you need to reverse a discount or calculate the original price ...