-58.87% is the change from 834 to 343
Calculation steps:
[( 343 - 834 ) ÷ 834] x 100 = -58.87%
Formula
Percentage change = [(343 - 834) / 834] x 100
Subtract the new number by the original number
343 - 834 = -491
-491 ÷ 834 = -0.5887290167865707
-0.5887290167865707 x 100 = -58.87%