-18.92% is the change from 185 to 150
Calculation steps:
[( 150 - 185 ) ÷ 185] x 100 = -18.92%
Formula
Percentage change = [(150 - 185) / 185] x 100
Subtract the new number by the original number
150 - 185 = -35
-35 ÷ 185 = -0.1891891891891892
-0.1891891891891892 x 100 = -18.92%