47.33% is the change from 450 to 663
Calculation steps:
[( 663 - 450 ) ÷ 450] x 100 = 47.33%
Formula
Percentage change = [(663 - 450) / 450] x 100
Subtract the new number by the original number
663 - 450 = 213
213 ÷ 450 = 0.47333333333333333
0.47333333333333333 x 100 = 47.33%