-53.65% is the change from 740 to 343
Calculation steps:
[( 343 - 740 ) ÷ 740] x 100 = -53.65%
Formula
Percentage change = [(343 - 740) / 740] x 100
Subtract the new number by the original number
343 - 740 = -397
-397 ÷ 740 = -0.5364864864864864
-0.5364864864864864 x 100 = -53.65%