On February 5, 2018, the Dow Jones Industrial Average dropped 1,175 points from its opening level of 25,521. This was the biggest one-day point decline ever. By what percentage did the Dow drop that day? On October 19, 1987, the Dow Jones Industrial Average dropped 508 points from its opening level of 2,245. By what percentage did the Dow drop that day? This was the biggest one-day percentage drop ever.
(Give your answers to one decimal place.)
Percentage on February 5, 2018:
%%
Percentage on October 19, 1987:
%