-63.61% is the change from 819 to 298
Calculation steps:
[( 298 - 819 ) ÷ 819] x 100 = -63.61%
Formula
Percentage change = [(298 - 819) / 819] x 100
Subtract the new number by the original number
298 - 819 = -521
-521 ÷ 819 = -0.6361416361416361
-0.6361416361416361 x 100 = -63.61%