To calculate the decline in expenses, divide the current expenses by the prior expenses: $400,000 / $500,000 = 0.8, then multiply by 100 to get 80, then subtract that from 100. The final result is that you have managed to decrease your expenses 20% year over year.
Here's a quick preview of the steps we're about to follow: Step 1: Find the mean. Step 2: For each data point, find the square of its distance to the mean. Step 3: Sum the values from Step 2. Step 4: Divide by the number of data points. Step 5: Take the square root.Go to Home > Format, and then choose Format Cells. In the Format Cells box, choose Custom in the Category list. In the Type box, at the top of the list of formats, type [h]:mm;@ and then select OK. The result is 28 hours and 15 minutes. The format will be in the Type list the next time you need it.
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