-50.79% is the change from 699 to 344
Calculation steps:
[( 344 - 699 ) ÷ 699] x 100 = -50.79%
Formula
Percentage change = [(344 - 699) / 699] x 100
Subtract the new number by the original number
344 - 699 = -355
-355 ÷ 699 = -0.5078683834048641
-0.5078683834048641 x 100 = -50.79%