46.48% is the change from 512 to 750
Calculation steps:
[( 750 - 512 ) ÷ 512] x 100 = 46.48%
Formula
Percentage change = [(750 - 512) / 512] x 100
Subtract the new number by the original number
750 - 512 = 238
238 ÷ 512 = 0.46484375
0.46484375 x 100 = 46.48%