Help asap with the percentage change in ROE

thank you in advance

6. Compute the percentage change in ROE from Year 2 to Year 3, Year 3 to Year 4, Year 4 to Year 5 , and Year 5 to Year 6 in Excel. Note: Enter the percent rounded to one digit after the decimal; for example, enter 8.4 for 8.44%, or 8.5 for 8.45%. Note: Use a negative sign to indicate a decrease. (\$ millions) Net Stockholders' Equity Return on Percentage \begin{tabular}{lrrrr} Year & Income & Ending Balance & Equity & Change \\ \hline Year 1 & $2,377 & $ & 10,843 & \\ Year 2 & 2,350 & 12,332 & 0.203 \\ Year 3 & 2,679 & 11,079 & 0.229 \\ Year 4 & 3,134 & 13,103 & 0.259 \\ Year 5 & 3,659 & 15,584 & 0.255 \\ Year 6 & 4,002 & 18,705 & 0.233 \\ \hline \end{tabular}