-92.22% is the change from 501 to 39
Calculation steps:
[( 39 - 501 ) ÷ 501] x 100 = -92.22%
Formula
Percentage change = [(39 - 501) / 501] x 100
Subtract the new number by the original number
39 - 501 = -462
-462 ÷ 501 = -0.9221556886227545
-0.9221556886227545 x 100 = -92.22%