-92.65% is the change from 517 to 38
Calculation steps:
[( 38 - 517 ) ÷ 517] x 100 = -92.65%
Formula
Percentage change = [(38 - 517) / 517] x 100
Subtract the new number by the original number
38 - 517 = -479
-479 ÷ 517 = -0.9264990328820116
-0.9264990328820116 x 100 = -92.65%