-32.85% is the change from 758 to 509
Calculation steps:
[( 509 - 758 ) ÷ 758] x 100 = -32.85%
Formula
Percentage change = [(509 - 758) / 758] x 100
Subtract the new number by the original number
509 - 758 = -249
-249 ÷ 758 = -0.32849604221635886
-0.32849604221635886 x 100 = -32.85%