-10.21% is the change from 431 to 387
Calculation steps:
[( 387 - 431 ) ÷ 431] x 100 = -10.21%
Formula
Percentage change = [(387 - 431) / 431] x 100
Subtract the new number by the original number
387 - 431 = -44
-44 ÷ 431 = -0.10208816705336426
-0.10208816705336426 x 100 = -10.21%