-90.62% is the change from 501 to 47
Calculation steps:
[( 47 - 501 ) ÷ 501] x 100 = -90.62%
Formula
Percentage change = [(47 - 501) / 501] x 100
Subtract the new number by the original number
47 - 501 = -454
-454 ÷ 501 = -0.906187624750499
-0.906187624750499 x 100 = -90.62%