44.99% is the change from 509 to 738
Calculation steps:
[( 738 - 509 ) ÷ 509] x 100 = 44.99%
Formula
Percentage change = [(738 - 509) / 509] x 100
Subtract the new number by the original number
738 - 509 = 229
229 ÷ 509 = 0.449901768172888
0.449901768172888 x 100 = 44.99%