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\begin{document}
\begin{table}
\centering
\begin{adjustbox}{max width=\textwidth}
		\begin{tabular}{lcccc}
			\toprule
			\multicolumn{1}{l}{} & Before F.T. & After F.T \\
			\midrule
			\multicolumn{1}{l}{CIFAR-10} & $95.25 \pm 0.2$ \% & $95.65 \pm 0.1$ \%  \\
			\midrule
			\multicolumn{1}{l}{ImageNet} & 73.1 \% & 75.1 \%  \\
		\end{tabular}
\end{adjustbox}
\caption{Table 2: Test accuracy (ResNet)}
\end{table}
\end{document}