-91.88% is the change from 505 to 41
Calculation steps:
[( 41 - 505 ) ÷ 505] x 100 = -91.88%
Formula
Percentage change = [(41 - 505) / 505] x 100
Subtract the new number by the original number
41 - 505 = -464
-464 ÷ 505 = -0.9188118811881189
-0.9188118811881189 x 100 = -91.88%