Question

Percent of change from 125cm to 87.5cm

Answer 1

Percent Change from 125cm to 87.5cm

% Change = (87.5 - 125) / 125 * 100%

= -37.5 / 125 * 100%

= -0.3 * 100%

= -30 %

The percent change is -30 % or 30% decrease.

Answer 2

Percentage change from 125cm to 87.5cm is 30% decrease.

Explanation:

Percentage change of a to b is given by

`\texttt{Percentage change =}(b-a)/(a)* 100`

Here we have a = 125 and b = 87.5

Substituting

`\texttt{Percentage change =}(87.5-125)/(125)* 100=(-37.5)/(125)* 100=-30\%`

Percentage change from 125cm to 87.5cm is -30%.

That is 30 decrease.

Percentage change from 125cm to 87.5cm is 30% decrease.