60.74% is the change from 512 to 823
Calculation steps:
[( 823 - 512 ) ÷ 512] x 100 = 60.74%
Formula
Percentage change = [(823 - 512) / 512] x 100
Subtract the new number by the original number
823 - 512 = 311
311 ÷ 512 = 0.607421875
0.607421875 x 100 = 60.74%