-4.39% is the change from 456 to 436
Calculation steps:
[( 436 - 456 ) ÷ 456] x 100 = -4.39%
Formula
Percentage change = [(436 - 456) / 456] x 100
Subtract the new number by the original number
436 - 456 = -20
-20 ÷ 456 = -0.043859649122807015
-0.043859649122807015 x 100 = -4.39%