45% is the change from 500 to 725
Calculation steps:
[( 725 - 500 ) ÷ 500] x 100 = 45%
Formula
Percentage change = [(725 - 500) / 500] x 100
Subtract the new number by the original number
725 - 500 = 225
225 ÷ 500 = 0.45
0.45 x 100 = 45%
Example