-54.3% is the change from 838 to 383
Calculation steps:
[( 383 - 838 ) ÷ 838] x 100 = -54.3%
Formula
Percentage change = [(383 - 838) / 838] x 100
Subtract the new number by the original number
383 - 838 = -455
-455 ÷ 838 = -0.5429594272076372
-0.5429594272076372 x 100 = -54.3%