-54.3% is the change from 744 to 340
Calculation steps:
[( 340 - 744 ) ÷ 744] x 100 = -54.3%
Formula
Percentage change = [(340 - 744) / 744] x 100
Subtract the new number by the original number
340 - 744 = -404
-404 ÷ 744 = -0.543010752688172
-0.543010752688172 x 100 = -54.3%