Question

На сколько процентов число 400 меньше числа 500

Answer 1

500 - 100%
500-400=100 - x%  имеется в виду на сколько меньше, а не сколько это процентов от числа. Поетому
$x= \frac{100*100}{500} = 20%$

Answer 2

Число 400 на 20% меньше числа 500

Answer 3

Calculation of Percentage Difference

To calculate the percentage by which 400 is less than 500, we can use the formula:

Percentage Difference = ((Difference / Original Number) * 100)

In this case, the original number is 500 and the difference is 500 - 400 = 100.

So, Percentage Difference = ((100 / 500) * 100) = 20%.

This means that 400 is 20% less than 500