Adient PLC Return on Net Investment (RONI) 1 year YoY Change (%) is -297.37% for the year ending September 30, 2021, a -277.04% change year over year. Return on net investment measures the profitability of a company relative to its net investment, which includes total investments minus short-term investments and long-term debt. It is calculated by dividing the net income by the net investment. This ratio provides insights into the return generated for each unit of net investment made by the company. A higher return on net investment indicates better profitability and efficient utilization of the company's invested capital. The measure "Change (%)" refers to the percentage change in the value of a financial metric between two time points. This measure provides a relative perspective on the magnitude of change.