For analog photos the negative also has more dynamic range than your screen or photopaper without any of that. Contrast is applied in the darkroom by choice of photopaper and enlarger timing and light levels, or after scanning with contrast adjustment applied in post processing. It is really a storage medium of information more than how the final image ought to look.

Slide film has probably a third the dynamic range of negative film and is meant as the final output fit for projection to display.