-57.81% is the change from 839 to 354
Calculation steps:
[( 354 - 839 ) ÷ 839] x 100 = -57.81%
Formula
Percentage change = [(354 - 839) / 839] x 100
Subtract the new number by the original number
354 - 839 = -485
-485 ÷ 839 = -0.5780691299165673
-0.5780691299165673 x 100 = -57.81%