-42.23% is the change from 431 to 249
Calculation steps:
[( 249 - 431 ) ÷ 431] x 100 = -42.23%
Formula
Percentage change = [(249 - 431) / 431] x 100
Subtract the new number by the original number
249 - 431 = -182
-182 ÷ 431 = -0.4222737819025522
-0.4222737819025522 x 100 = -42.23%