-4.36% is the change from 459 to 439
Calculation steps:
[( 439 - 459 ) ÷ 459] x 100 = -4.36%
Formula
Percentage change = [(439 - 459) / 459] x 100
Subtract the new number by the original number
439 - 459 = -20
-20 ÷ 459 = -0.04357298474945534
-0.04357298474945534 x 100 = -4.36%