-49.66% is the change from 290 to 146
Calculation steps:
[( 146 - 290 ) ÷ 290] x 100 = -49.66%
Formula
Percentage change = [(146 - 290) / 290] x 100
Subtract the new number by the original number
146 - 290 = -144
-144 ÷ 290 = -0.496551724137931
-0.496551724137931 x 100 = -49.66%