47.27% is the change from 512 to 754
Calculation steps:
[( 754 - 512 ) ÷ 512] x 100 = 47.27%
Formula
Percentage change = [(754 - 512) / 512] x 100
Subtract the new number by the original number
754 - 512 = 242
242 ÷ 512 = 0.47265625
0.47265625 x 100 = 47.27%