-92.25% is the change from 503 to 39
Calculation steps:
[( 39 - 503 ) ÷ 503] x 100 = -92.25%
Formula
Percentage change = [(39 - 503) / 503] x 100
Subtract the new number by the original number
39 - 503 = -464
-464 ÷ 503 = -0.9224652087475149
-0.9224652087475149 x 100 = -92.25%