21.48% is the change from 447 to 543
Calculation steps:
[( 543 - 447 ) ÷ 447] x 100 = 21.48%
Formula
Percentage change = [(543 - 447) / 447] x 100
Subtract the new number by the original number
543 - 447 = 96
96 ÷ 447 = 0.21476510067114093
0.21476510067114093 x 100 = 21.48%