45.7% is the change from 512 to 746
Calculation steps:
[( 746 - 512 ) ÷ 512] x 100 = 45.7%
Formula
Percentage change = [(746 - 512) / 512] x 100
Subtract the new number by the original number
746 - 512 = 234
234 ÷ 512 = 0.45703125
0.45703125 x 100 = 45.7%