-45.52% is the change from 290 to 158
Calculation steps:
[( 158 - 290 ) ÷ 290] x 100 = -45.52%
Formula
Percentage change = [(158 - 290) / 290] x 100
Subtract the new number by the original number
158 - 290 = -132
-132 ÷ 290 = -0.45517241379310347
-0.45517241379310347 x 100 = -45.52%