18.74% is the change from 427 to 507
Calculation steps:
[( 507 - 427 ) ÷ 427] x 100 = 18.74%
Formula
Percentage change = [(507 - 427) / 427] x 100
Subtract the new number by the original number
507 - 427 = 80
80 ÷ 427 = 0.1873536299765808
0.1873536299765808 x 100 = 18.74%