-4.37% is the change from 458 to 438
Calculation steps:
[( 438 - 458 ) ÷ 458] x 100 = -4.37%
Formula
Percentage change = [(438 - 458) / 458] x 100
Subtract the new number by the original number
438 - 458 = -20
-20 ÷ 458 = -0.043668122270742356
-0.043668122270742356 x 100 = -4.37%