Consider the percent change as well to get a more accurate picture of the investment's performance. Track percent change over time: By tracking the percent change of your investments over time ...

This is known as percentage change. Often goods are bought for one price and then sold on for another. The percentage change can be calculated to find out the profit or loss an item has made.

To change a percentage to a decimal, divide by 100. Change 48% to a decimal: 48 ÷ 100 = 0.48 To change a decimal to a percentage, multiply by 100. Change 0.67 to a percentage: 0.67 x 100 = 67% Wow!