-48.28% is the change from 290 to 150
Calculation steps:
[( 150 - 290 ) ÷ 290] x 100 = -48.28%
Formula
Percentage change = [(150 - 290) / 290] x 100
Subtract the new number by the original number
150 - 290 = -140
-140 ÷ 290 = -0.4827586206896552
-0.4827586206896552 x 100 = -48.28%