-9.05% is the change from 431 to 392
Calculation steps:
[( 392 - 431 ) ÷ 431] x 100 = -9.05%
Formula
Percentage change = [(392 - 431) / 431] x 100
Subtract the new number by the original number
392 - 431 = -39
-39 ÷ 431 = -0.09048723897911833
-0.09048723897911833 x 100 = -9.05%