If a earns `33 1/3%` more than B how much percent does B earn less than A?

If A's income be 20 percent more than B's, how much percent is B's income less than A's? (i) 20%(ii)11^1/9%(iii)16^2/3%(iv)25%

If A's salary is 30% more than that of B, then how much per cent is B's salary less than that of A's?

If A's salary is 20% more than that of B, then how much percent is B's salary less than that of A?