-54.18% is the change from 742 to 340
Calculation steps:
[( 340 - 742 ) ÷ 742] x 100 = -54.18%
Formula
Percentage change = [(340 - 742) / 742] x 100
Subtract the new number by the original number
340 - 742 = -402
-402 ÷ 742 = -0.5417789757412399
-0.5417789757412399 x 100 = -54.18%