-92.32% is the change from 508 to 39
Calculation steps:
[( 39 - 508 ) ÷ 508] x 100 = -92.32%
Formula
Percentage change = [(39 - 508) / 508] x 100
Subtract the new number by the original number
39 - 508 = -469
-469 ÷ 508 = -0.9232283464566929
-0.9232283464566929 x 100 = -92.32%