-92.78% is the change from 554 to 40
Calculation steps:
[( 40 - 554 ) ÷ 554] x 100 = -92.78%
Formula
Percentage change = [(40 - 554) / 554] x 100
Subtract the new number by the original number
40 - 554 = -514
-514 ÷ 554 = -0.927797833935018
-0.927797833935018 x 100 = -92.78%