75.16% is the change from 455 to 797
Calculation steps:
[( 797 - 455 ) ÷ 455] x 100 = 75.16%
Formula
Percentage change = [(797 - 455) / 455] x 100
Subtract the new number by the original number
797 - 455 = 342
342 ÷ 455 = 0.7516483516483516
0.7516483516483516 x 100 = 75.16%