-48.56% is the change from 278 to 143
Calculation steps:
[( 143 - 278 ) ÷ 278] x 100 = -48.56%
Formula
Percentage change = [(143 - 278) / 278] x 100
Subtract the new number by the original number
143 - 278 = -135
-135 ÷ 278 = -0.4856115107913669
-0.4856115107913669 x 100 = -48.56%