61.32% is the change from 455 to 734
Calculation steps:
[( 734 - 455 ) ÷ 455] x 100 = 61.32%
Formula
Percentage change = [(734 - 455) / 455] x 100
Subtract the new number by the original number
734 - 455 = 279
279 ÷ 455 = 0.6131868131868132
0.6131868131868132 x 100 = 61.32%