28% decrease,
To calculate percentage decrease between the original value and new value, follow these steps:
Find the difference between the original and new value: 100-72 = 28
Divide this difference by the original value: 28/100 = 0.28
Multiply the result by 100 to convert it into percentages: 0.28 x 100 = 28
That's it! As you see, it's not hard at all to calculate percent decrease: 28%