-48% is the change from 275 to 143
Calculation steps:
[( 143 - 275 ) ÷ 275] x 100 = -48%
Formula
Percentage change = [(143 - 275) / 275] x 100
Subtract the new number by the original number
143 - 275 = -132
-132 ÷ 275 = -0.48
-0.48 x 100 = -48%
Example