-38.3% is the change from 470 to 290
Calculation steps:
[( 290 - 470 ) ÷ 470] x 100 = -38.3%
Formula
Percentage change = [(290 - 470) / 470] x 100
Subtract the new number by the original number
290 - 470 = -180
-180 ÷ 470 = -0.3829787234042553
-0.3829787234042553 x 100 = -38.3%