How to calculate increase rate in percentage
Finding the original amount before a percentage change. 4. 4. anything from changes in the interest rate, to the number of people taking holidays abroad, to. Consumer Price Index. How to calculate a percentage change. The formula used to calculate the percentage change between any two periods is as follows:. 7 Jun 2010 Want to calculate percentage growth rates (also known as the relative rates of change)? Learn how with this free video calculus lesson, which