17.28% is the change from 405 to 475
Calculation steps:
[( 475 - 405 ) ÷ 405] x 100 = 17.28%
Formula
Percentage change = [(475 - 405) / 405] x 100
Subtract the new number by the original number
475 - 405 = 70
70 ÷ 405 = 0.1728395061728395
0.1728395061728395 x 100 = 17.28%