21.73% is the change from 405 to 493
Calculation steps:
[( 493 - 405 ) ÷ 405] x 100 = 21.73%
Formula
Percentage change = [(493 - 405) / 405] x 100
Subtract the new number by the original number
493 - 405 = 88
88 ÷ 405 = 0.21728395061728395
0.21728395061728395 x 100 = 21.73%