606.94% is the change from 72 to 509
Calculation steps:
[( 509 - 72 ) ÷ 72] x 100 = 606.94%
Formula
Percentage change = [(509 - 72) / 72] x 100
Subtract the new number by the original number
509 - 72 = 437
437 ÷ 72 = 6.069444444444445
6.069444444444445 x 100 = 606.94%