Fix DataFrame formatting for 'Exposure Overall' in app.py

- Updated the formatting logic for the 'Exposure Overall' column in the DataFrame display to ensure correct percentage representation, enhancing data clarity and user understanding.

app.py

@@ -597,7 +597,7 @@ with tab2:
                         st.dataframe(st.session_state['stack_size_frame'].
                             sort_values(by='Exposure Overall', ascending=False).
                             style.background_gradient(cmap='RdYlGn').
-                            format(formatter='{:.2%}', subset=st.session_state['stack_size_frame'].iloc[:, 1:].select_dtypes(include=['number']).columns),
+                            format(formatter='{:.2%}', subset=st.session_state['stack_size_frame']['Exposure Overall']),
                             hide_index=True)
             
             with tab4: