-53.82% is the change from 838 to 387
Calculation steps:
[( 387 - 838 ) ÷ 838] x 100 = -53.82%
Formula
Percentage change = [(387 - 838) / 838] x 100
Subtract the new number by the original number
387 - 838 = -451
-451 ÷ 838 = -0.5381861575178998
-0.5381861575178998 x 100 = -53.82%