7.71% is the change from 415 to 447
Calculation steps:
[( 447 - 415 ) ÷ 415] x 100 = 7.71%
Formula
Percentage change = [(447 - 415) / 415] x 100
Subtract the new number by the original number
447 - 415 = 32
32 ÷ 415 = 0.07710843373493977
0.07710843373493977 x 100 = 7.71%