-48.59% is the change from 854 to 439
Calculation steps:
[( 439 - 854 ) ÷ 854] x 100 = -48.59%
Formula
Percentage change = [(439 - 854) / 854] x 100
Subtract the new number by the original number
439 - 854 = -415
-415 ÷ 854 = -0.4859484777517564
-0.4859484777517564 x 100 = -48.59%