-46.55% is the change from 290 to 155
Calculation steps:
[( 155 - 290 ) ÷ 290] x 100 = -46.55%
Formula
Percentage change = [(155 - 290) / 290] x 100
Subtract the new number by the original number
155 - 290 = -135
-135 ÷ 290 = -0.46551724137931033
-0.46551724137931033 x 100 = -46.55%