-17.87% is the change from 431 to 354
Calculation steps:
[( 354 - 431 ) ÷ 431] x 100 = -17.87%
Formula
Percentage change = [(354 - 431) / 431] x 100
Subtract the new number by the original number
354 - 431 = -77
-77 ÷ 431 = -0.17865429234338748
-0.17865429234338748 x 100 = -17.87%