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How do you calculate the percent change of 200 to 158?

Answer 1

Genesis Allen

Decrease of #21%#

The change is obviously a decrease, but we use the same method for an increase and a decrease.

Calculate the actual change (bigger value - smaller value)

#200-158 = 42#

To calculate the #%# change : # " " color(blue)("change"/"original" xx 100%)#

#42/200 xx 100%#

#= 21%#decrease of #21%#

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Answer 2

Hazel Anglin

To calculate the percent change from 200 to 158, subtract the original value (200) from the new value (158) to find the difference. Then, divide the difference by the original value (200) and multiply by 100 to express the change as a percentage.

Formula: ((New Value - Old Value) / Old Value) * 100

Calculation: ((158 - 200) / 200) * 100 = (-42 / 200) * 100 = -0.21 * 100 = -21%

So, the percent change from 200 to 158 is a decrease of 21%.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.