-37.31% is the change from 394 to 247
Calculation steps:
[( 247 - 394 ) ÷ 394] x 100 = -37.31%
Formula
Percentage change = [(247 - 394) / 394] x 100
Subtract the new number by the original number
247 - 394 = -147
-147 ÷ 394 = -0.3730964467005076
-0.3730964467005076 x 100 = -37.31%