47.06% is the change from 510 to 750
Calculation steps:
[( 750 - 510 ) ÷ 510] x 100 = 47.06%
Formula
Percentage change = [(750 - 510) / 510] x 100
Subtract the new number by the original number
750 - 510 = 240
240 ÷ 510 = 0.47058823529411764
0.47058823529411764 x 100 = 47.06%