-91.93% is the change from 409 to 33
Calculation steps:
[( 33 - 409 ) ÷ 409] x 100 = -91.93%
Formula
Percentage change = [(33 - 409) / 409] x 100
Subtract the new number by the original number
33 - 409 = -376
-376 ÷ 409 = -0.9193154034229829
-0.9193154034229829 x 100 = -91.93%