-41.15% is the change from 435 to 256
Calculation steps:
[( 256 - 435 ) ÷ 435] x 100 = -41.15%
Formula
Percentage change = [(256 - 435) / 435] x 100
Subtract the new number by the original number
256 - 435 = -179
-179 ÷ 435 = -0.4114942528735632
-0.4114942528735632 x 100 = -41.15%