18.55% is the change from 512 to 607
Calculation steps:
[( 607 - 512 ) ÷ 512] x 100 = 18.55%
Formula
Percentage change = [(607 - 512) / 512] x 100
Subtract the new number by the original number
607 - 512 = 95
95 ÷ 512 = 0.185546875
0.185546875 x 100 = 18.55%