24.94% is the change from 405 to 506
Calculation steps:
[( 506 - 405 ) ÷ 405] x 100 = 24.94%
Formula
Percentage change = [(506 - 405) / 405] x 100
Subtract the new number by the original number
506 - 405 = 101
101 ÷ 405 = 0.24938271604938272
0.24938271604938272 x 100 = 24.94%