-6.03% is the change from 448 to 421
Calculation steps:
[( 421 - 448 ) ÷ 448] x 100 = -6.03%
Formula
Percentage change = [(421 - 448) / 448] x 100
Subtract the new number by the original number
421 - 448 = -27
-27 ÷ 448 = -0.060267857142857144
-0.060267857142857144 x 100 = -6.03%