48.65% is the change from 446 to 663
Calculation steps:
[( 663 - 446 ) ÷ 446] x 100 = 48.65%
Formula
Percentage change = [(663 - 446) / 446] x 100
Subtract the new number by the original number
663 - 446 = 217
217 ÷ 446 = 0.48654708520179374
0.48654708520179374 x 100 = 48.65%