-30.56% is the change from 733 to 509
Calculation steps:
[( 509 - 733 ) ÷ 733] x 100 = -30.56%
Formula
Percentage change = [(509 - 733) / 733] x 100
Subtract the new number by the original number
509 - 733 = -224
-224 ÷ 733 = -0.30559345156889495
-0.30559345156889495 x 100 = -30.56%