48.63% is the change from 512 to 761
Calculation steps:
[( 761 - 512 ) ÷ 512] x 100 = 48.63%
Formula
Percentage change = [(761 - 512) / 512] x 100
Subtract the new number by the original number
761 - 512 = 249
249 ÷ 512 = 0.486328125
0.486328125 x 100 = 48.63%