-56.22% is the change from 185 to 81
Calculation steps:
[( 81 - 185 ) ÷ 185] x 100 = -56.22%
Formula
Percentage change = [(81 - 185) / 185] x 100
Subtract the new number by the original number
81 - 185 = -104
-104 ÷ 185 = -0.5621621621621622
-0.5621621621621622 x 100 = -56.22%