65% is the change from 500 to 825
Calculation steps:
[( 825 - 500 ) ÷ 500] x 100 = 65%
Formula
Percentage change = [(825 - 500) / 500] x 100
Subtract the new number by the original number
825 - 500 = 325
325 ÷ 500 = 0.65
0.65 x 100 = 65%
Example