48.32% is the change from 447 to 663
Calculation steps:
[( 663 - 447 ) ÷ 447] x 100 = 48.32%
Formula
Percentage change = [(663 - 447) / 447] x 100
Subtract the new number by the original number
663 - 447 = 216
216 ÷ 447 = 0.48322147651006714
0.48322147651006714 x 100 = 48.32%