-42.56% is the change from 437 to 251
Calculation steps:
[( 251 - 437 ) ÷ 437] x 100 = -42.56%
Formula
Percentage change = [(251 - 437) / 437] x 100
Subtract the new number by the original number
251 - 437 = -186
-186 ÷ 437 = -0.425629290617849
-0.425629290617849 x 100 = -42.56%