-4.46% is the change from 448 to 428
Calculation steps:
[( 428 - 448 ) ÷ 448] x 100 = -4.46%
Formula
Percentage change = [(428 - 448) / 448] x 100
Subtract the new number by the original number
428 - 448 = -20
-20 ÷ 448 = -0.044642857142857144
-0.044642857142857144 x 100 = -4.46%