7.55% is the change from 424 to 456
Calculation steps:
[( 456 - 424 ) ÷ 424] x 100 = 7.55%
Formula
Percentage change = [(456 - 424) / 424] x 100
Subtract the new number by the original number
456 - 424 = 32
32 ÷ 424 = 0.07547169811320754
0.07547169811320754 x 100 = 7.55%