39.84% is the change from 364 to 509
Calculation steps:
[( 509 - 364 ) ÷ 364] x 100 = 39.84%
Formula
Percentage change = [(509 - 364) / 364] x 100
Subtract the new number by the original number
509 - 364 = 145
145 ÷ 364 = 0.3983516483516483
0.3983516483516483 x 100 = 39.84%