Calculate the result of decreasing a value by a specified percentage, along with the decrease amount and multiplier.
Divide the decreased value by the multiplier. If 150 is a 25% decrease, the original = 150 / 0.75 = 200.
Mathematically yes, but a decrease over 100% results in a negative number. In most practical contexts, 100% is the maximum decrease (reducing to zero).
They are the same. A 50% decrease gives a multiplier of 0.5, which is equivalent to dividing the original value by 2.