.258 just move the decimal point 3 places to the left.
258 ÷ 300 = 0.86
It is: 20/258 times 100 = 7.752% rounded to three decimal places
43/50 or 0.86
258/1000
.258
258/100 --- Can be further simplified to 129/50
It is: 258/410 times 100 = 60.49% rounded to two decimal places
258/1000.........or 129/500
-0.258 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. And, being a decimal, there is no simpler form. Its rational equivalent is -258/1000 which can be simplified to -125/500.
Not in a whole number, but in a decimal. It's 32.25.
162/258 = 27/43