43.68% is the change from 451 to 648
Calculation steps:
[( 648 - 451 ) ÷ 451] x 100 = 43.68%
Formula
Percentage change = [(648 - 451) / 451] x 100
Subtract the new number by the original number
648 - 451 = 197
197 ÷ 451 = 0.43680709534368073
0.43680709534368073 x 100 = 43.68%