-57.64% is the change from 838 to 355
Calculation steps:
[( 355 - 838 ) ÷ 838] x 100 = -57.64%
Formula
Percentage change = [(355 - 838) / 838] x 100
Subtract the new number by the original number
355 - 838 = -483
-483 ÷ 838 = -0.5763723150357996
-0.5763723150357996 x 100 = -57.64%