63.3% is the change from 455 to 743
Calculation steps:
[( 743 - 455 ) ÷ 455] x 100 = 63.3%
Formula
Percentage change = [(743 - 455) / 455] x 100
Subtract the new number by the original number
743 - 455 = 288
288 ÷ 455 = 0.6329670329670329
0.6329670329670329 x 100 = 63.3%