-33.41% is the change from 431 to 287
Calculation steps:
[( 287 - 431 ) ÷ 431] x 100 = -33.41%
Formula
Percentage change = [(287 - 431) / 431] x 100
Subtract the new number by the original number
287 - 431 = -144
-144 ÷ 431 = -0.33410672853828305
-0.33410672853828305 x 100 = -33.41%
Example