33.2% is the change from 512 to 682
Calculation steps:
[( 682 - 512 ) ÷ 512] x 100 = 33.2%
Formula
Percentage change = [(682 - 512) / 512] x 100
Subtract the new number by the original number
682 - 512 = 170
170 ÷ 512 = 0.33203125
0.33203125 x 100 = 33.2%