-54.48% is the change from 391 to 178
Calculation steps:
[( 178 - 391 ) ÷ 391] x 100 = -54.48%
Formula
Percentage change = [(178 - 391) / 391] x 100
Subtract the new number by the original number
178 - 391 = -213
-213 ÷ 391 = -0.5447570332480819
-0.5447570332480819 x 100 = -54.48%