-51.28% is the change from 704 to 343
Calculation steps:
[( 343 - 704 ) ÷ 704] x 100 = -51.28%
Formula
Percentage change = [(343 - 704) / 704] x 100
Subtract the new number by the original number
343 - 704 = -361
-361 ÷ 704 = -0.5127840909090909
-0.5127840909090909 x 100 = -51.28%