-92.8% is the change from 500 to 36
Calculation steps:
[( 36 - 500 ) ÷ 500] x 100 = -92.8%
Formula
Percentage change = [(36 - 500) / 500] x 100
Subtract the new number by the original number
36 - 500 = -464
-464 ÷ 500 = -0.928
-0.928 x 100 = -92.8%
Example