1. A decrease or reduction in the profit margin or profitability of a business, company, or investment
The company reported a significant profitability decline in the third quarter.
A empresa relatou um declínio significativo de rentabilidade no terceiro trimestre.
2. The deterioration of financial returns or earnings relative to invested capital
The profitability decline was attributed to rising operational costs.
O declínio de rentabilidade foi atribuído ao aumento dos custos operacionais.