54.51% is the change from 455 to 703
Calculation steps:
[( 703 - 455 ) ÷ 455] x 100 = 54.51%
Formula
Percentage change = [(703 - 455) / 455] x 100
Subtract the new number by the original number
703 - 455 = 248
248 ÷ 455 = 0.545054945054945
0.545054945054945 x 100 = 54.51%