A man multiplies a number by \(\frac{3}{5}\) instead of \(\frac{5}{3}\). Find the percentage of error in the calculation.

60% 64% 55% 75%

64%

Diff. = \(\frac{5}{3}\) - \(\frac{3}{5}\) = \(\frac{16}{15}\) Error of percentage = \(\frac{16}{15}\) x \(\frac{3}{5}\) x 100 = 64 %