-88.79% is the change from 321 to 36
Calculation steps:
[( 36 - 321 ) ÷ 321] x 100 = -88.79%
Formula
Percentage change = [(36 - 321) / 321] x 100
Subtract the new number by the original number
36 - 321 = -285
-285 ÷ 321 = -0.8878504672897196
-0.8878504672897196 x 100 = -88.79%