48.99% is the change from 447 to 666
Calculation steps:
[( 666 - 447 ) ÷ 447] x 100 = 48.99%
Formula
Percentage change = [(666 - 447) / 447] x 100
Subtract the new number by the original number
666 - 447 = 219
219 ÷ 447 = 0.4899328859060403
0.4899328859060403 x 100 = 48.99%