-58.73% is the change from 819 to 338
Calculation steps:
[( 338 - 819 ) ÷ 819] x 100 = -58.73%
Formula
Percentage change = [(338 - 819) / 819] x 100
Subtract the new number by the original number
338 - 819 = -481
-481 ÷ 819 = -0.5873015873015873
-0.5873015873015873 x 100 = -58.73%