-91.32% is the change from 461 to 40
Calculation steps:
[( 40 - 461 ) ÷ 461] x 100 = -91.32%
Formula
Percentage change = [(40 - 461) / 461] x 100
Subtract the new number by the original number
40 - 461 = -421
-421 ÷ 461 = -0.913232104121475
-0.913232104121475 x 100 = -91.32%