If the prices of tea falls down by 6% by how much per cent

If the prices of tea falls down by 6% by how much per cent must a householder increased its consumption, so as not to decreased expenditure ?

Let original price be ₹ 100
Then, reduced price = ₹ 94
∴ Increase in consumption
= [(100 - 94)/94] x 100 %
= (6/94) x 100 %
= 6¹⁸/₄₇%