-92.55% is the change from 550 to 41
Calculation steps:
[( 41 - 550 ) ÷ 550] x 100 = -92.55%
Formula
Percentage change = [(41 - 550) / 550] x 100
Subtract the new number by the original number
41 - 550 = -509
-509 ÷ 550 = -0.9254545454545454
-0.9254545454545454 x 100 = -92.55%