-40.45% is the change from 576 to 343
Calculation steps:
[( 343 - 576 ) ÷ 576] x 100 = -40.45%
Formula
Percentage change = [(343 - 576) / 576] x 100
Subtract the new number by the original number
343 - 576 = -233
-233 ÷ 576 = -0.4045138888888889
-0.4045138888888889 x 100 = -40.45%