-0.34% is the change from 290 to 289
Calculation steps:
[( 289 - 290 ) ÷ 290] x 100 = -0.34%
Formula
Percentage change = [(289 - 290) / 290] x 100
Subtract the new number by the original number
289 - 290 = -1
-1 ÷ 290 = -0.0034482758620689655
-0.0034482758620689655 x 100 = -0.34%