45.78% is the change from 509 to 742
Calculation steps:
[( 742 - 509 ) ÷ 509] x 100 = 45.78%
Formula
Percentage change = [(742 - 509) / 509] x 100
Subtract the new number by the original number
742 - 509 = 233
233 ÷ 509 = 0.4577603143418468
0.4577603143418468 x 100 = 45.78%