-51.55% is the change from 710 to 344
Calculation steps:
[( 344 - 710 ) ÷ 710] x 100 = -51.55%
Formula
Percentage change = [(344 - 710) / 710] x 100
Subtract the new number by the original number
344 - 710 = -366
-366 ÷ 710 = -0.5154929577464789
-0.5154929577464789 x 100 = -51.55%