-89.94% is the change from 338 to 34
Calculation steps:
[( 34 - 338 ) ÷ 338] x 100 = -89.94%
Formula
Percentage change = [(34 - 338) / 338] x 100
Subtract the new number by the original number
34 - 338 = -304
-304 ÷ 338 = -0.8994082840236687
-0.8994082840236687 x 100 = -89.94%