-59.02% is the change from 837 to 343
Calculation steps:
[( 343 - 837 ) ÷ 837] x 100 = -59.02%
Formula
Percentage change = [(343 - 837) / 837] x 100
Subtract the new number by the original number
343 - 837 = -494
-494 ÷ 837 = -0.5902031063321386
-0.5902031063321386 x 100 = -59.02%