-49.71% is the change from 682 to 343
Calculation steps:
[( 343 - 682 ) ÷ 682] x 100 = -49.71%
Formula
Percentage change = [(343 - 682) / 682] x 100
Subtract the new number by the original number
343 - 682 = -339
-339 ÷ 682 = -0.4970674486803519
-0.4970674486803519 x 100 = -49.71%