Multiply values diagonal from each other in the equation ie 2 1 0 0 8 0 x. Percentage Increase and Decrease. Subtract the final amount from the initial amount to find the amount of the reduction.
How to calculate percent decrease.
A great example of calculating the percent decrease is when you want to calculate your percentage of weight loss over time. Divide the Reduction by the Original Amount. Positive values indicate a percentage increase whereas negative values indicate percentage decrease. Percent Decrease Decrease Decrease in ValueOriginal Value x 100.