-49.28% is the change from 838 to 425
Calculation steps:
[( 425 - 838 ) ÷ 838] x 100 = -49.28%
Formula
Percentage change = [(425 - 838) / 838] x 100
Subtract the new number by the original number
425 - 838 = -413
-413 ÷ 838 = -0.4928400954653938
-0.4928400954653938 x 100 = -49.28%