-92.52% is the change from 508 to 38
Calculation steps:
[( 38 - 508 ) ÷ 508] x 100 = -92.52%
Formula
Percentage change = [(38 - 508) / 508] x 100
Subtract the new number by the original number
38 - 508 = -470
-470 ÷ 508 = -0.9251968503937008
-0.9251968503937008 x 100 = -92.52%