-48.49% is the change from 398 to 205
Calculation steps:
[( 205 - 398 ) ÷ 398] x 100 = -48.49%
Formula
Percentage change = [(205 - 398) / 398] x 100
Subtract the new number by the original number
205 - 398 = -193
-193 ÷ 398 = -0.4849246231155779
-0.4849246231155779 x 100 = -48.49%