-45.39% is the change from 271 to 148
Calculation steps:
[( 148 - 271 ) ÷ 271] x 100 = -45.39%
Formula
Percentage change = [(148 - 271) / 271] x 100
Subtract the new number by the original number
148 - 271 = -123
-123 ÷ 271 = -0.45387453874538747
-0.45387453874538747 x 100 = -45.39%