-6.75% is the change from 459 to 428
Calculation steps:
[( 428 - 459 ) ÷ 459] x 100 = -6.75%
Formula
Percentage change = [(428 - 459) / 459] x 100
Subtract the new number by the original number
428 - 459 = -31
-31 ÷ 459 = -0.06753812636165578
-0.06753812636165578 x 100 = -6.75%