-51.69% is the change from 710 to 343
Calculation steps:
[( 343 - 710 ) ÷ 710] x 100 = -51.69%
Formula
Percentage change = [(343 - 710) / 710] x 100
Subtract the new number by the original number
343 - 710 = -367
-367 ÷ 710 = -0.5169014084507042
-0.5169014084507042 x 100 = -51.69%