7.25% is the change from 455 to 488
Calculation steps:
[( 488 - 455 ) ÷ 455] x 100 = 7.25%
Formula
Percentage change = [(488 - 455) / 455] x 100
Subtract the new number by the original number
488 - 455 = 33
33 ÷ 455 = 0.07252747252747253
0.07252747252747253 x 100 = 7.25%