3.4% is the change from 441 to 456
Calculation steps:
[( 456 - 441 ) ÷ 441] x 100 = 3.4%
Formula
Percentage change = [(456 - 441) / 441] x 100
Subtract the new number by the original number
456 - 441 = 15
15 ÷ 441 = 0.034013605442176874
0.034013605442176874 x 100 = 3.4%