67.4% is the change from 457 to 765
Calculation steps:
[( 765 - 457 ) ÷ 457] x 100 = 67.4%
Formula
Percentage change = [(765 - 457) / 457] x 100
Subtract the new number by the original number
765 - 457 = 308
308 ÷ 457 = 0.6739606126914661
0.6739606126914661 x 100 = 67.4%