" If "A" eare a "33(1)/(3)" .Fore than "B" ,how much percent does "B" earn less "

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

320 is how much percentage less than 400 ?

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

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?