64.62% is the change from 455 to 749
Calculation steps:
[( 749 - 455 ) ÷ 455] x 100 = 64.62%
Formula
Percentage change = [(749 - 455) / 455] x 100
Subtract the new number by the original number
749 - 455 = 294
294 ÷ 455 = 0.6461538461538462
0.6461538461538462 x 100 = 64.62%