-47.23% is the change from 271 to 143
Calculation steps:
[( 143 - 271 ) ÷ 271] x 100 = -47.23%
Formula
Percentage change = [(143 - 271) / 271] x 100
Subtract the new number by the original number
143 - 271 = -128
-128 ÷ 271 = -0.47232472324723246
-0.47232472324723246 x 100 = -47.23%