67.56% is the change from 450 to 754
Calculation steps:
[( 754 - 450 ) ÷ 450] x 100 = 67.56%
Formula
Percentage change = [(754 - 450) / 450] x 100
Subtract the new number by the original number
754 - 450 = 304
304 ÷ 450 = 0.6755555555555556
0.6755555555555556 x 100 = 67.56%