-52.52% is the change from 834 to 396
Calculation steps:
[( 396 - 834 ) ÷ 834] x 100 = -52.52%
Formula
Percentage change = [(396 - 834) / 834] x 100
Subtract the new number by the original number
396 - 834 = -438
-438 ÷ 834 = -0.5251798561151079
-0.5251798561151079 x 100 = -52.52%