-88.65% is the change from 185 to 21
Calculation steps:
[( 21 - 185 ) ÷ 185] x 100 = -88.65%
Formula
Percentage change = [(21 - 185) / 185] x 100
Subtract the new number by the original number
21 - 185 = -164
-164 ÷ 185 = -0.8864864864864865
-0.8864864864864865 x 100 = -88.65%