-42.84% is the change from 838 to 479
Calculation steps:
[( 479 - 838 ) ÷ 838] x 100 = -42.84%
Formula
Percentage change = [(479 - 838) / 838] x 100
Subtract the new number by the original number
479 - 838 = -359
-359 ÷ 838 = -0.42840095465393796
-0.42840095465393796 x 100 = -42.84%