-87.56% is the change from 394 to 49
Calculation steps:
[( 49 - 394 ) ÷ 394] x 100 = -87.56%
Formula
Percentage change = [(49 - 394) / 394] x 100
Subtract the new number by the original number
49 - 394 = -345
-345 ÷ 394 = -0.8756345177664975
-0.8756345177664975 x 100 = -87.56%