-20% is the change from 185 to 148
Calculation steps:
[( 148 - 185 ) ÷ 185] x 100 = -20%
Formula
Percentage change = [(148 - 185) / 185] x 100
Subtract the new number by the original number
148 - 185 = -37
-37 ÷ 185 = -0.2
-0.2 x 100 = -20%
Example