-41.57% is the change from 587 to 343
Calculation steps:
[( 343 - 587 ) ÷ 587] x 100 = -41.57%
Formula
Percentage change = [(343 - 587) / 587] x 100
Subtract the new number by the original number
343 - 587 = -244
-244 ÷ 587 = -0.41567291311754684
-0.41567291311754684 x 100 = -41.57%