64.4% is the change from 455 to 748
Calculation steps:
[( 748 - 455 ) ÷ 455] x 100 = 64.4%
Formula
Percentage change = [(748 - 455) / 455] x 100
Subtract the new number by the original number
748 - 455 = 293
293 ÷ 455 = 0.643956043956044
0.643956043956044 x 100 = 64.4%