82.81% is the change from 512 to 936
Calculation steps:
[( 936 - 512 ) ÷ 512] x 100 = 82.81%
Formula
Percentage change = [(936 - 512) / 512] x 100
Subtract the new number by the original number
936 - 512 = 424
424 ÷ 512 = 0.828125
0.828125 x 100 = 82.81%