-17.78% is the change from 180 to 148
Calculation steps:
[( 148 - 180 ) ÷ 180] x 100 = -17.78%
Formula
Percentage change = [(148 - 180) / 180] x 100
Subtract the new number by the original number
148 - 180 = -32
-32 ÷ 180 = -0.17777777777777778
-0.17777777777777778 x 100 = -17.78%