I have to admit I am really rusty at Excel charting, but I managed to obtain free Dow historical data back to 1896 from a Polish web site, so I had to share my initial effort. This is the site BTW:
I grabbed a chunk of MACD data from each period mainly to see what percentage displacement was at the low points, and the general shape of the MACD move during the initial drops. You can see this in the below charts. Percentage-wise here is how the bottom displacements worked out: