-92.93% is the change from 509 to 36
Calculation steps:
[( 36 - 509 ) ÷ 509] x 100 = -92.93%
Formula
Percentage change = [(36 - 509) / 509] x 100
Subtract the new number by the original number
36 - 509 = -473
-473 ÷ 509 = -0.9292730844793713
-0.9292730844793713 x 100 = -92.93%