-51.83% is the change from 712 to 343
Calculation steps:
[( 343 - 712 ) ÷ 712] x 100 = -51.83%
Formula
Percentage change = [(343 - 712) / 712] x 100
Subtract the new number by the original number
343 - 712 = -369
-369 ÷ 712 = -0.5182584269662921
-0.5182584269662921 x 100 = -51.83%