19.58% is the change from 424 to 507
Calculation steps:
[( 507 - 424 ) ÷ 424] x 100 = 19.58%
Formula
Percentage change = [(507 - 424) / 424] x 100
Subtract the new number by the original number
507 - 424 = 83
83 ÷ 424 = 0.1957547169811321
0.1957547169811321 x 100 = 19.58%