-51.52% is the change from 394 to 191
Calculation steps:
[( 191 - 394 ) ÷ 394] x 100 = -51.52%
Formula
Percentage change = [(191 - 394) / 394] x 100
Subtract the new number by the original number
191 - 394 = -203
-203 ÷ 394 = -0.5152284263959391
-0.5152284263959391 x 100 = -51.52%