Instead of multiplying a number by 7, the number is divided by 7. What is the percentage of error obtained ?
Choose the correct option:
A) 97.959 % B) 98.959 % C) 99.959 % D) 96.959 % E) 95.959 %

Rationale: "let the number be x the right number is 7 x the wrong number is x / 7 error is ( 7 x - x / 7 ) = 48 x / 7 percentage of error is ( ( 48 x / 7 ) / 7 x ) * 100 = 97.959 % answer : a"
Answer: A