-42.91% is the change from 839 to 479
Calculation steps:
[( 479 - 839 ) ÷ 839] x 100 = -42.91%
Formula
Percentage change = [(479 - 839) / 839] x 100
Subtract the new number by the original number
479 - 839 = -360
-360 ÷ 839 = -0.42908224076281287
-0.42908224076281287 x 100 = -42.91%