-41.76% is the change from 431 to 251
Calculation steps:
[( 251 - 431 ) ÷ 431] x 100 = -41.76%
Formula
Percentage change = [(251 - 431) / 431] x 100
Subtract the new number by the original number
251 - 431 = -180
-180 ÷ 431 = -0.4176334106728538
-0.4176334106728538 x 100 = -41.76%