-46.49% is the change from 271 to 145
Calculation steps:
[( 145 - 271 ) ÷ 271] x 100 = -46.49%
Formula
Percentage change = [(145 - 271) / 271] x 100
Subtract the new number by the original number
145 - 271 = -126
-126 ÷ 271 = -0.46494464944649444
-0.46494464944649444 x 100 = -46.49%