4.75% is the change from 421 to 441
Calculation steps:
[( 441 - 421 ) ÷ 421] x 100 = 4.75%
Formula
Percentage change = [(441 - 421) / 421] x 100
Subtract the new number by the original number
441 - 421 = 20
20 ÷ 421 = 0.047505938242280284
0.047505938242280284 x 100 = 4.75%