-54.24% is the change from 743 to 340
Calculation steps:
[( 340 - 743 ) ÷ 743] x 100 = -54.24%
Formula
Percentage change = [(340 - 743) / 743] x 100
Subtract the new number by the original number
340 - 743 = -403
-403 ÷ 743 = -0.5423956931359354
-0.5423956931359354 x 100 = -54.24%