-63.2% is the change from 394 to 145
Calculation steps:
[( 145 - 394 ) ÷ 394] x 100 = -63.2%
Formula
Percentage change = [(145 - 394) / 394] x 100
Subtract the new number by the original number
145 - 394 = -249
-249 ÷ 394 = -0.631979695431472
-0.631979695431472 x 100 = -63.2%