-51.62% is the change from 709 to 343
Calculation steps:
[( 343 - 709 ) ÷ 709] x 100 = -51.62%
Formula
Percentage change = [(343 - 709) / 709] x 100
Subtract the new number by the original number
343 - 709 = -366
-366 ÷ 709 = -0.5162200282087447
-0.5162200282087447 x 100 = -51.62%