15.13% is the change from 456 to 525
Calculation steps:
[( 525 - 456 ) ÷ 456] x 100 = 15.13%
Formula
Percentage change = [(525 - 456) / 456] x 100
Subtract the new number by the original number
525 - 456 = 69
69 ÷ 456 = 0.1513157894736842
0.1513157894736842 x 100 = 15.13%