-47.71% is the change from 656 to 343
Calculation steps:
[( 343 - 656 ) ÷ 656] x 100 = -47.71%
Formula
Percentage change = [(343 - 656) / 656] x 100
Subtract the new number by the original number
343 - 656 = -313
-313 ÷ 656 = -0.4771341463414634
-0.4771341463414634 x 100 = -47.71%