-92.49% is the change from 506 to 38
Calculation steps:
[( 38 - 506 ) ÷ 506] x 100 = -92.49%
Formula
Percentage change = [(38 - 506) / 506] x 100
Subtract the new number by the original number
38 - 506 = -468
-468 ÷ 506 = -0.924901185770751
-0.924901185770751 x 100 = -92.49%