59.77% is the change from 512 to 818
Calculation steps:
[( 818 - 512 ) ÷ 512] x 100 = 59.77%
Formula
Percentage change = [(818 - 512) / 512] x 100
Subtract the new number by the original number
818 - 512 = 306
306 ÷ 512 = 0.59765625
0.59765625 x 100 = 59.77%