65.2% is the change from 500 to 826
Calculation steps:
[( 826 - 500 ) ÷ 500] x 100 = 65.2%
Formula
Percentage change = [(826 - 500) / 500] x 100
Subtract the new number by the original number
826 - 500 = 326
326 ÷ 500 = 0.652
0.652 x 100 = 65.2%
Example