21.03% is the change from 409 to 495
Calculation steps:
[( 495 - 409 ) ÷ 409] x 100 = 21.03%
Formula
Percentage change = [(495 - 409) / 409] x 100
Subtract the new number by the original number
495 - 409 = 86
86 ÷ 409 = 0.21026894865525672
0.21026894865525672 x 100 = 21.03%