-10.27% is the change from 185 to 166
Calculation steps:
[( 166 - 185 ) ÷ 185] x 100 = -10.27%
Formula
Percentage change = [(166 - 185) / 185] x 100
Subtract the new number by the original number
166 - 185 = -19
-19 ÷ 185 = -0.10270270270270271
-0.10270270270270271 x 100 = -10.27%