-65.5% is the change from 742 to 256
Calculation steps:
[( 256 - 742 ) ÷ 742] x 100 = -65.5%
Formula
Percentage change = [(256 - 742) / 742] x 100
Subtract the new number by the original number
256 - 742 = -486
-486 ÷ 742 = -0.6549865229110512
-0.6549865229110512 x 100 = -65.5%