15.09% is the change from 424 to 488
Calculation steps:
[( 488 - 424 ) ÷ 424] x 100 = 15.09%
Formula
Percentage change = [(488 - 424) / 424] x 100
Subtract the new number by the original number
488 - 424 = 64
64 ÷ 424 = 0.1509433962264151
0.1509433962264151 x 100 = 15.09%