-32.04% is the change from 749 to 509
Calculation steps:
[( 509 - 749 ) ÷ 749] x 100 = -32.04%
Formula
Percentage change = [(509 - 749) / 749] x 100
Subtract the new number by the original number
509 - 749 = -240
-240 ÷ 749 = -0.3204272363150868
-0.3204272363150868 x 100 = -32.04%