62.7% is the change from 512 to 833
Calculation steps:
[( 833 - 512 ) ÷ 512] x 100 = 62.7%
Formula
Percentage change = [(833 - 512) / 512] x 100
Subtract the new number by the original number
833 - 512 = 321
321 ÷ 512 = 0.626953125
0.626953125 x 100 = 62.7%