-89.78% is the change from 323 to 33
Calculation steps:
[( 33 - 323 ) ÷ 323] x 100 = -89.78%
Formula
Percentage change = [(33 - 323) / 323] x 100
Subtract the new number by the original number
33 - 323 = -290
-290 ÷ 323 = -0.8978328173374613
-0.8978328173374613 x 100 = -89.78%