33.74% is the change from 409 to 547
Calculation steps:
[( 547 - 409 ) ÷ 409] x 100 = 33.74%
Formula
Percentage change = [(547 - 409) / 409] x 100
Subtract the new number by the original number
547 - 409 = 138
138 ÷ 409 = 0.3374083129584352
0.3374083129584352 x 100 = 33.74%