31.84% is the change from 512 to 675
Calculation steps:
[( 675 - 512 ) ÷ 512] x 100 = 31.84%
Formula
Percentage change = [(675 - 512) / 512] x 100
Subtract the new number by the original number
675 - 512 = 163
163 ÷ 512 = 0.318359375
0.318359375 x 100 = 31.84%