82.23% is the change from 512 to 933
Calculation steps:
[( 933 - 512 ) ÷ 512] x 100 = 82.23%
Formula
Percentage change = [(933 - 512) / 512] x 100
Subtract the new number by the original number
933 - 512 = 421
421 ÷ 512 = 0.822265625
0.822265625 x 100 = 82.23%