-92.84% is the change from 531 to 38
Calculation steps:
[( 38 - 531 ) ÷ 531] x 100 = -92.84%
Formula
Percentage change = [(38 - 531) / 531] x 100
Subtract the new number by the original number
38 - 531 = -493
-493 ÷ 531 = -0.928436911487759
-0.928436911487759 x 100 = -92.84%