23.83% is the change from 512 to 634
Calculation steps:
[( 634 - 512 ) ÷ 512] x 100 = 23.83%
Formula
Percentage change = [(634 - 512) / 512] x 100
Subtract the new number by the original number
634 - 512 = 122
122 ÷ 512 = 0.23828125
0.23828125 x 100 = 23.83%