67.69% is the change from 455 to 763
Calculation steps:
[( 763 - 455 ) ÷ 455] x 100 = 67.69%
Formula
Percentage change = [(763 - 455) / 455] x 100
Subtract the new number by the original number
763 - 455 = 308
308 ÷ 455 = 0.676923076923077
0.676923076923077 x 100 = 67.69%