76.95% is the change from 512 to 906
Calculation steps:
[( 906 - 512 ) ÷ 512] x 100 = 76.95%
Formula
Percentage change = [(906 - 512) / 512] x 100
Subtract the new number by the original number
906 - 512 = 394
394 ÷ 512 = 0.76953125
0.76953125 x 100 = 76.95%