-41.42% is the change from 437 to 256
Calculation steps:
[( 256 - 437 ) ÷ 437] x 100 = -41.42%
Formula
Percentage change = [(256 - 437) / 437] x 100
Subtract the new number by the original number
256 - 437 = -181
-181 ÷ 437 = -0.41418764302059496
-0.41418764302059496 x 100 = -41.42%