-38.16% is the change from 414 to 256
Calculation steps:
[( 256 - 414 ) ÷ 414] x 100 = -38.16%
Formula
Percentage change = [(256 - 414) / 414] x 100
Subtract the new number by the original number
256 - 414 = -158
-158 ÷ 414 = -0.38164251207729466
-0.38164251207729466 x 100 = -38.16%