53.63% is the change from 509 to 782
Calculation steps:
[( 782 - 509 ) ÷ 509] x 100 = 53.63%
Formula
Percentage change = [(782 - 509) / 509] x 100
Subtract the new number by the original number
782 - 509 = 273
273 ÷ 509 = 0.5363457760314342
0.5363457760314342 x 100 = 53.63%