65.56% is the change from 450 to 745
Calculation steps:
[( 745 - 450 ) ÷ 450] x 100 = 65.56%
Formula
Percentage change = [(745 - 450) / 450] x 100
Subtract the new number by the original number
745 - 450 = 295
295 ÷ 450 = 0.6555555555555556
0.6555555555555556 x 100 = 65.56%