Divide one by the number of years during the period. The percent amount is we derive to if we multiply the initial amount by the percentage and divide by 100. Find the size of the increase.
How to Calculate Percentage Increase Subtract final value minus starting value Divide that amount by the absolute value of the starting value Multiply by 100 to get percent increase If the percentage is negative it means there was a decrease and not an increase.
The percent amount is we derive to if we multiply the initial amount by the percentage and divide by 100. To start the equation subtract last years number from this years number. Write down the starting value and end value. According to this formula the growth rate for the years can be calculated by dividing the current value by the previous value.