74.4% is the change from 457 to 797
Calculation steps:
[( 797 - 457 ) ÷ 457] x 100 = 74.4%
Formula
Percentage change = [(797 - 457) / 457] x 100
Subtract the new number by the original number
797 - 457 = 340
340 ÷ 457 = 0.7439824945295405
0.7439824945295405 x 100 = 74.4%