If last months revenue was 17500 and this months revenue is 12500 we can find the percentage decrease in Excel by using the formula below. Subtract starting value minus final value. A is the original amount.
44160 0275 275 decrease.
116160 0725 725 so the new value is 725 of the old value. The math to determine a percentage is to divide the numerator the number on top of the fraction by the denominator the number on the bottom of the fraction then multiply the answer by 100. Compared to yesterdays value. Because this is an exponential decay factor this article focuses on percent decrease.