-52.25% is the change from 712 to 340
Calculation steps:
[( 340 - 712 ) ÷ 712] x 100 = -52.25%
Formula
Percentage change = [(340 - 712) / 712] x 100
Subtract the new number by the original number
340 - 712 = -372
-372 ÷ 712 = -0.5224719101123596
-0.5224719101123596 x 100 = -52.25%