The phrase "went down drastically" is grammatically correct and can be used in written English.
It means that something decreased significantly or suddenly. Example: The temperatures went down drastically overnight, causing the roads to become icy and dangerous.
For example, in Australia the number of cyclists went down drastically after helmets became mandatory".
Then after Sept. 11 rents went down drastically and we saw a good opportunity".
Teachers allowed makeup tests, and Shanikwa passed the year, but her average went down drastically.
At a presentation on Monday, the class reported that in 2011, the amount of litter in Brightwood, went down drastically.
If the price of ivory went down drastically like this, entire criminal organisations would be ruined as there would be no more incentive to take these risks, no more demand because of increased supply and no more monopoly over the ivory market.
Flow cytometry analysis conducted 35 hours following the transfection revealed that the level of TRAIL-R4 protein expression on surface went down drastically.
"The swelling has gone down drastically even from last night, so I'm really hopeful," LeClair said.
"It's really a function of the endowment going down drastically," said Robb London, the law school's assistant dean for communications.
But while rocket fire did go down drastically in the fall to 15 to 20 a month from hundreds a month, Israel said it would not permit trade to begin again because the rocket fire had not completely stopped and because Hamas continued to smuggle weapons from Egypt through desert tunnels.
He's less "dude" ("After I put Hurley to bed my 'dudes' have gone down drastically, though people do shout 'dude!' at me in the street") and more Comic Book Guy from The Simpsons, with all of the nerd (he owns a comic store and has his own comic about Alcatraz) and virtually the same hair and beard, but less of the sarcasm.
When the SNR reaches 5 dB, DT's ability goes down drastically.
