-90.95% is the change from 232 to 21
Calculation steps:
[( 21 - 232 ) ÷ 232] x 100 = -90.95%
Formula
Percentage change = [(21 - 232) / 232] x 100
Subtract the new number by the original number
21 - 232 = -211
-211 ÷ 232 = -0.9094827586206896
-0.9094827586206896 x 100 = -90.95%