-41.19% is the change from 437 to 257
Calculation steps:
[( 257 - 437 ) ÷ 437] x 100 = -41.19%
Formula
Percentage change = [(257 - 437) / 437] x 100
Subtract the new number by the original number
257 - 437 = -180
-180 ÷ 437 = -0.41189931350114417
-0.41189931350114417 x 100 = -41.19%