47.35% is the change from 509 to 750
Calculation steps:
[( 750 - 509 ) ÷ 509] x 100 = 47.35%
Formula
Percentage change = [(750 - 509) / 509] x 100
Subtract the new number by the original number
750 - 509 = 241
241 ÷ 509 = 0.47347740667976423
0.47347740667976423 x 100 = 47.35%