17.78% is the change from 405 to 477
Calculation steps:
[( 477 - 405 ) ÷ 405] x 100 = 17.78%
Formula
Percentage change = [(477 - 405) / 405] x 100
Subtract the new number by the original number
477 - 405 = 72
72 ÷ 405 = 0.17777777777777778
0.17777777777777778 x 100 = 17.78%