-57.43% is the change from 834 to 355
Calculation steps:
[( 355 - 834 ) ÷ 834] x 100 = -57.43%
Formula
Percentage change = [(355 - 834) / 834] x 100
Subtract the new number by the original number
355 - 834 = -479
-479 ÷ 834 = -0.5743405275779376
-0.5743405275779376 x 100 = -57.43%