-46.55% is the change from 391 to 209
Calculation steps:
[( 209 - 391 ) ÷ 391] x 100 = -46.55%
Formula
Percentage change = [(209 - 391) / 391] x 100
Subtract the new number by the original number
209 - 391 = -182
-182 ÷ 391 = -0.46547314578005117
-0.46547314578005117 x 100 = -46.55%