13.67% is the change from 512 to 582
Calculation steps:
[( 582 - 512 ) ÷ 512] x 100 = 13.67%
Formula
Percentage change = [(582 - 512) / 512] x 100
Subtract the new number by the original number
582 - 512 = 70
70 ÷ 512 = 0.13671875
0.13671875 x 100 = 13.67%